261231282

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{677}}^1$

素因数の和:812

約数の個数: 96

約数和(自身を含む): 653011632

約数和(自身を除く): 391780350

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 97, 102, 117, 153, 194, 221, 234, 291, 306, 442, 582, 663, 677, 873, 1261, 1326, 1354, 1649, 1746, 1989, 2031, 2522, 3298, 3783, 3978, 4062, 4947, 6093, 7566, 8801, 9894, 11349, 11509, 12186, 14841, 17602, 21437, 22698, 23018, 26403, 29682, 34527, 42874, 52806, 64311, 65669, 69054, 79209, 103581, 128622, 131338, 149617, 158418, 192933, 197007, 207162, 299234, 385866, 394014, 448851, 591021, 853697, 897702, 1116373, 1182042, 1346553, 1707394, 2232746, 2561091, 2693106, 3349119, 5122182, 6698238, 7683273, 10047357, 14512849, 15366546, 20094714, 29025698, 43538547, 87077094, 130615641, 261231282]

約数ペア:

[(1, 261231282), (2, 130615641), (3, 87077094), (6, 43538547), (9, 29025698), (13, 20094714), (17, 15366546), (18, 14512849), (26, 10047357), (34, 7683273), (39, 6698238), (51, 5122182), (78, 3349119), (97, 2693106), (102, 2561091), (117, 2232746), (153, 1707394), (194, 1346553), (221, 1182042), (234, 1116373), (291, 897702), (306, 853697), (442, 591021), (582, 448851), (663, 394014), (677, 385866), (873, 299234), (1261, 207162), (1326, 197007), (1354, 192933), (1649, 158418), (1746, 149617), (1989, 131338), (2031, 128622), (2522, 103581), (3298, 79209), (3783, 69054), (3978, 65669), (4062, 64311), (4947, 52806), (6093, 42874), (7566, 34527), (8801, 29682), (9894, 26403), (11349, 23018), (11509, 22698), (12186, 21437), (14841, 17602)]