246978095

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6871}}^1$

素因数の和:6975

約数の個数: 32

約数和(自身を含む): 369438720

約数和(自身を除く): 122460625

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 455, 553, 1027, 2765, 5135, 6871, 7189, 34355, 35945, 48097, 89323, 240485, 446615, 542809, 625261, 2714045, 3126305, 3799663, 7056517, 18998315, 35282585, 49395619, 246978095]

約数ペア:

[(1, 246978095), (5, 49395619), (7, 35282585), (13, 18998315), (35, 7056517), (65, 3799663), (79, 3126305), (91, 2714045), (395, 625261), (455, 542809), (553, 446615), (1027, 240485), (2765, 89323), (5135, 48097), (6871, 35945), (7189, 34355)]