257660676

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1013

約数の個数: 168

約数和(自身を含む): 832918464

約数和(自身を除く): 575257788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 234, 243, 252, 273, 324, 351, 364, 378, 468, 486, 546, 567, 702, 729, 756, 819, 971, 972, 1053, 1092, 1134, 1404, 1458, 1638, 1701, 1942, 2106, 2268, 2457, 2913, 2916, 3159, 3276, 3402, 3884, 4212, 4914, 5103, 5826, 6318, 6797, 6804, 7371, 8739, 9477, 9828, 10206, 11652, 12623, 12636, 13594, 14742, 17478, 18954, 20391, 20412, 22113, 25246, 26217, 27188, 29484, 34956, 37869, 37908, 40782, 44226, 50492, 52434, 61173, 66339, 75738, 78651, 81564, 88361, 88452, 104868, 113607, 122346, 132678, 151476, 157302, 176722, 183519, 227214, 235953, 244692, 265083, 265356, 314604, 340821, 353444, 367038, 454428, 471906, 530166, 550557, 681642, 707859, 734076, 795249, 943812, 1022463, 1060332, 1101114, 1363284, 1415718, 1590498, 1651671, 2044926, 2202228, 2385747, 2831436, 3067389, 3180996, 3303342, 4089852, 4771494, 4955013, 6134778, 6606684, 7157241, 9202167, 9542988, 9910026, 12269556, 14314482, 18404334, 19820052, 21471723, 28628964, 36808668, 42943446, 64415169, 85886892, 128830338, 257660676]

約数ペア:

[(1, 257660676), (2, 128830338), (3, 85886892), (4, 64415169), (6, 42943446), (7, 36808668), (9, 28628964), (12, 21471723), (13, 19820052), (14, 18404334), (18, 14314482), (21, 12269556), (26, 9910026), (27, 9542988), (28, 9202167), (36, 7157241), (39, 6606684), (42, 6134778), (52, 4955013), (54, 4771494), (63, 4089852), (78, 3303342), (81, 3180996), (84, 3067389), (91, 2831436), (108, 2385747), (117, 2202228), (126, 2044926), (156, 1651671), (162, 1590498), (182, 1415718), (189, 1363284), (234, 1101114), (243, 1060332), (252, 1022463), (273, 943812), (324, 795249), (351, 734076), (364, 707859), (378, 681642), (468, 550557), (486, 530166), (546, 471906), (567, 454428), (702, 367038), (729, 353444), (756, 340821), (819, 314604), (971, 265356), (972, 265083), (1053, 244692), (1092, 235953), (1134, 227214), (1404, 183519), (1458, 176722), (1638, 157302), (1701, 151476), (1942, 132678), (2106, 122346), (2268, 113607), (2457, 104868), (2913, 88452), (2916, 88361), (3159, 81564), (3276, 78651), (3402, 75738), (3884, 66339), (4212, 61173), (4914, 52434), (5103, 50492), (5826, 44226), (6318, 40782), (6797, 37908), (6804, 37869), (7371, 34956), (8739, 29484), (9477, 27188), (9828, 26217), (10206, 25246), (11652, 22113), (12623, 20412), (12636, 20391), (13594, 18954), (14742, 17478)]