491231015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{22273}}^1$

素因数の和:22690

約数の個数: 16

約数和(自身を含む): 644698656

約数和(自身を除く): 153467641

約数列:

[1, 5, 11, 55, 401, 2005, 4411, 22055, 22273, 111365, 245003, 1225015, 8931473, 44657365, 98246203, 491231015]

約数ペア:

[(1, 491231015), (5, 98246203), (11, 44657365), (55, 8931473), (401, 1225015), (2005, 245003), (4411, 111365), (22055, 22273)]