221793156

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{24943}}^1$

素因数の和:24985

約数の個数: 72

約数和(自身を含む): 635573120

約数和(自身を除く): 413779964

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 24943, 49886, 74829, 99772, 149658, 224487, 299316, 324259, 448974, 473917, 648518, 897948, 947834, 972777, 1297036, 1421751, 1895668, 1945554, 2843502, 2918331, 3891108, 4265253, 5687004, 5836662, 6160921, 8530506, 11673324, 12321842, 17061012, 18482763, 24643684, 36965526, 55448289, 73931052, 110896578, 221793156]

約数ペア:

[(1, 221793156), (2, 110896578), (3, 73931052), (4, 55448289), (6, 36965526), (9, 24643684), (12, 18482763), (13, 17061012), (18, 12321842), (19, 11673324), (26, 8530506), (36, 6160921), (38, 5836662), (39, 5687004), (52, 4265253), (57, 3891108), (76, 2918331), (78, 2843502), (114, 1945554), (117, 1895668), (156, 1421751), (171, 1297036), (228, 972777), (234, 947834), (247, 897948), (342, 648518), (468, 473917), (494, 448974), (684, 324259), (741, 299316), (988, 224487), (1482, 149658), (2223, 99772), (2964, 74829), (4446, 49886), (8892, 24943)]