251180511218

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^2$

素因数の和:561

約数の個数: 144

約数和(自身を含む): 487633668480

約数和(自身を除く): 236453157262

約数列:

[1, 2, 7, 13, 14, 26, 49, 67, 79, 91, 98, 134, 158, 182, 193, 386, 469, 553, 637, 871, 938, 1027, 1106, 1274, 1351, 1742, 2054, 2509, 2702, 3283, 3871, 5018, 5293, 6097, 6566, 7189, 7742, 9457, 10586, 12194, 12931, 14378, 15247, 17563, 18914, 25862, 30494, 35126, 37051, 37249, 42679, 50323, 68809, 74102, 74498, 85358, 90517, 100646, 106729, 122941, 137618, 168103, 181034, 198211, 213458, 245882, 259357, 260743, 336206, 396422, 481663, 484237, 518714, 521486, 633619, 747103, 963326, 968474, 1021549, 1176721, 1267238, 1387477, 1494206, 1825201, 2043098, 2353442, 2495683, 2774954, 2942671, 3371641, 3389659, 3650402, 4991366, 5885342, 6743282, 6779318, 7150843, 8237047, 9712339, 13280137, 14301686, 16474094, 17469781, 19424678, 20598697, 23727613, 26560274, 32443879, 34939562, 38254723, 41197394, 47455226, 50055901, 64887758, 76509446, 92960959, 100111802, 122288467, 144190879, 185921918, 197158957, 227107153, 244576934, 267783061, 288381758, 394317914, 454214306, 535566122, 650726713, 1301453426, 1380112699, 1589750071, 1874481427, 2563066441, 2760225398, 3179500142, 3748962854, 5126132882, 9660788893, 17941465087, 19321577786, 35882930174, 125590255609, 251180511218]

約数ペア:

[(1, 251180511218), (2, 125590255609), (7, 35882930174), (13, 19321577786), (14, 17941465087), (26, 9660788893), (49, 5126132882), (67, 3748962854), (79, 3179500142), (91, 2760225398), (98, 2563066441), (134, 1874481427), (158, 1589750071), (182, 1380112699), (193, 1301453426), (386, 650726713), (469, 535566122), (553, 454214306), (637, 394317914), (871, 288381758), (938, 267783061), (1027, 244576934), (1106, 227107153), (1274, 197158957), (1351, 185921918), (1742, 144190879), (2054, 122288467), (2509, 100111802), (2702, 92960959), (3283, 76509446), (3871, 64887758), (5018, 50055901), (5293, 47455226), (6097, 41197394), (6566, 38254723), (7189, 34939562), (7742, 32443879), (9457, 26560274), (10586, 23727613), (12194, 20598697), (12931, 19424678), (14378, 17469781), (15247, 16474094), (17563, 14301686), (18914, 13280137), (25862, 9712339), (30494, 8237047), (35126, 7150843), (37051, 6779318), (37249, 6743282), (42679, 5885342), (50323, 4991366), (68809, 3650402), (74102, 3389659), (74498, 3371641), (85358, 2942671), (90517, 2774954), (100646, 2495683), (106729, 2353442), (122941, 2043098), (137618, 1825201), (168103, 1494206), (181034, 1387477), (198211, 1267238), (213458, 1176721), (245882, 1021549), (259357, 968474), (260743, 963326), (336206, 747103), (396422, 633619), (481663, 521486), (484237, 518714)]