16981816

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 33078240

約数和(自身を除く): 16096424

約数列:

[1, 2, 4, 8, 37, 74, 103, 148, 206, 296, 412, 557, 824, 1114, 2228, 3811, 4456, 7622, 15244, 20609, 30488, 41218, 57371, 82436, 114742, 164872, 229484, 458968, 2122727, 4245454, 8490908, 16981816]

約数ペア:

[(1, 16981816), (2, 8490908), (4, 4245454), (8, 2122727), (37, 458968), (74, 229484), (103, 164872), (148, 114742), (206, 82436), (296, 57371), (412, 41218), (557, 30488), (824, 20609), (1114, 15244), (2228, 7622), (3811, 4456)]