81740698

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{491}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 139688640

約数和(自身を除く): 57947942

約数列:

[1, 2, 13, 19, 26, 38, 247, 337, 491, 494, 674, 982, 4381, 6383, 6403, 8762, 9329, 12766, 12806, 18658, 83239, 121277, 165467, 166478, 242554, 330934, 2151071, 3143873, 4302142, 6287746, 40870349, 81740698]

約数ペア:

[(1, 81740698), (2, 40870349), (13, 6287746), (19, 4302142), (26, 3143873), (38, 2151071), (247, 330934), (337, 242554), (491, 166478), (494, 165467), (674, 121277), (982, 83239), (4381, 18658), (6383, 12806), (6403, 12766), (8762, 9329)]