2499967561

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{1097}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 3128509440

約数和(自身を除く): 628541879

約数列:

[1, 7, 13, 79, 91, 317, 553, 1027, 1097, 2219, 4121, 7189, 7679, 14261, 25043, 28847, 86663, 99827, 175301, 325559, 347749, 606641, 1126619, 2278913, 2434243, 4520737, 7886333, 27472171, 31645159, 192305197, 357138223, 2499967561]

約数ペア:

[(1, 2499967561), (7, 357138223), (13, 192305197), (79, 31645159), (91, 27472171), (317, 7886333), (553, 4520737), (1027, 2434243), (1097, 2278913), (2219, 1126619), (4121, 606641), (7189, 347749), (7679, 325559), (14261, 175301), (25043, 99827), (28847, 86663)]