81831476

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{467}}^1\times {\mathrm{617}}^1$

素因数の和:1159

約数の個数: 24

約数和(自身を含む): 145768896

約数和(自身を除く): 63937420

約数列:

[1, 2, 4, 71, 142, 284, 467, 617, 934, 1234, 1868, 2468, 33157, 43807, 66314, 87614, 132628, 175228, 288139, 576278, 1152556, 20457869, 40915738, 81831476]

約数ペア:

[(1, 81831476), (2, 40915738), (4, 20457869), (71, 1152556), (142, 576278), (284, 288139), (467, 175228), (617, 132628), (934, 87614), (1234, 66314), (1868, 43807), (2468, 33157)]