172564812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{691}}^1\times {\mathrm{991}}^1$

素因数の和:1699

約数の個数: 72

約数和(自身を含む): 499745792

約数和(自身を除く): 327180980

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 691, 991, 1382, 1982, 2073, 2764, 2973, 3964, 4146, 4837, 5946, 6219, 6937, 8292, 8919, 9674, 11892, 12438, 13874, 14511, 17838, 19348, 20811, 24876, 27748, 29022, 35676, 41622, 43533, 58044, 62433, 83244, 87066, 124866, 174132, 249732, 684781, 1369562, 2054343, 2739124, 4108686, 4793467, 6163029, 8217372, 9586934, 12326058, 14380401, 19173868, 24652116, 28760802, 43141203, 57521604, 86282406, 172564812]

約数ペア:

[(1, 172564812), (2, 86282406), (3, 57521604), (4, 43141203), (6, 28760802), (7, 24652116), (9, 19173868), (12, 14380401), (14, 12326058), (18, 9586934), (21, 8217372), (28, 6163029), (36, 4793467), (42, 4108686), (63, 2739124), (84, 2054343), (126, 1369562), (252, 684781), (691, 249732), (991, 174132), (1382, 124866), (1982, 87066), (2073, 83244), (2764, 62433), (2973, 58044), (3964, 43533), (4146, 41622), (4837, 35676), (5946, 29022), (6219, 27748), (6937, 24876), (8292, 20811), (8919, 19348), (9674, 17838), (11892, 14511), (12438, 13874)]