278604976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{78791}}^1$

素因数の和:78829

約数の個数: 40

約数和(自身を含む): 615523104

約数和(自身を除く): 336918128

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 78791, 157582, 315164, 630328, 1024283, 1260656, 1339447, 2048566, 2678894, 4097132, 5357788, 8194264, 10715576, 16388528, 17412811, 21431152, 34825622, 69651244, 139302488, 278604976]

約数ペア:

[(1, 278604976), (2, 139302488), (4, 69651244), (8, 34825622), (13, 21431152), (16, 17412811), (17, 16388528), (26, 10715576), (34, 8194264), (52, 5357788), (68, 4097132), (104, 2678894), (136, 2048566), (208, 1339447), (221, 1260656), (272, 1024283), (442, 630328), (884, 315164), (1768, 157582), (3536, 78791)]