820137318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7187}}^1$

素因数の和:7242

約数の個数: 128

約数和(自身を含む): 2318561280

約数和(自身を除く): 1498423962

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 19, 21, 22, 26, 33, 38, 39, 42, 57, 66, 77, 78, 91, 114, 133, 143, 154, 182, 209, 231, 247, 266, 273, 286, 399, 418, 429, 462, 494, 546, 627, 741, 798, 858, 1001, 1254, 1463, 1482, 1729, 2002, 2717, 2926, 3003, 3458, 4389, 5187, 5434, 6006, 7187, 8151, 8778, 10374, 14374, 16302, 19019, 21561, 38038, 43122, 50309, 57057, 79057, 93431, 100618, 114114, 136553, 150927, 158114, 186862, 237171, 273106, 280293, 301854, 409659, 474342, 553399, 560586, 654017, 819318, 955871, 1027741, 1106798, 1308034, 1502083, 1660197, 1775189, 1911742, 1962051, 2055482, 2867613, 3004166, 3083223, 3320394, 3550378, 3924102, 4506249, 5325567, 5735226, 6166446, 7194187, 9012498, 10514581, 10651134, 12426323, 14388374, 19527079, 21029162, 21582561, 24852646, 31543743, 37278969, 39054158, 43165122, 58581237, 63087486, 74557938, 117162474, 136689553, 273379106, 410068659, 820137318]

約数ペア:

[(1, 820137318), (2, 410068659), (3, 273379106), (6, 136689553), (7, 117162474), (11, 74557938), (13, 63087486), (14, 58581237), (19, 43165122), (21, 39054158), (22, 37278969), (26, 31543743), (33, 24852646), (38, 21582561), (39, 21029162), (42, 19527079), (57, 14388374), (66, 12426323), (77, 10651134), (78, 10514581), (91, 9012498), (114, 7194187), (133, 6166446), (143, 5735226), (154, 5325567), (182, 4506249), (209, 3924102), (231, 3550378), (247, 3320394), (266, 3083223), (273, 3004166), (286, 2867613), (399, 2055482), (418, 1962051), (429, 1911742), (462, 1775189), (494, 1660197), (546, 1502083), (627, 1308034), (741, 1106798), (798, 1027741), (858, 955871), (1001, 819318), (1254, 654017), (1463, 560586), (1482, 553399), (1729, 474342), (2002, 409659), (2717, 301854), (2926, 280293), (3003, 273106), (3458, 237171), (4389, 186862), (5187, 158114), (5434, 150927), (6006, 136553), (7187, 114114), (8151, 100618), (8778, 93431), (10374, 79057), (14374, 57057), (16302, 50309), (19019, 43122), (21561, 38038)]