13905185

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 19906560

約数和(自身を除く): 6001375

約数列:

[1, 5, 7, 35, 47, 79, 107, 235, 329, 395, 535, 553, 749, 1645, 2765, 3713, 3745, 5029, 8453, 18565, 25145, 25991, 35203, 42265, 59171, 129955, 176015, 295855, 397291, 1986455, 2781037, 13905185]

約数ペア:

[(1, 13905185), (5, 2781037), (7, 1986455), (35, 397291), (47, 295855), (79, 176015), (107, 129955), (235, 59171), (329, 42265), (395, 35203), (535, 25991), (553, 25145), (749, 18565), (1645, 8453), (2765, 5029), (3713, 3745)]