81786010

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 149787792

約数和(自身を除く): 68001782

約数列:

[1, 2, 5, 10, 113, 157, 226, 314, 461, 565, 785, 922, 1130, 1570, 2305, 4610, 17741, 35482, 52093, 72377, 88705, 104186, 144754, 177410, 260465, 361885, 520930, 723770, 8178601, 16357202, 40893005, 81786010]

約数ペア:

[(1, 81786010), (2, 40893005), (5, 16357202), (10, 8178601), (113, 723770), (157, 520930), (226, 361885), (314, 260465), (461, 177410), (565, 144754), (785, 104186), (922, 88705), (1130, 72377), (1570, 52093), (2305, 35482), (4610, 17741)]