79718012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{20357}}^1$

素因数の和:20461

約数の個数: 24

約数和(自身を含む): 153906480

約数和(自身を除く): 74188468

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 20357, 40714, 81428, 223927, 447854, 895708, 1811773, 3623546, 7247092, 19929503, 39859006, 79718012]

約数ペア:

[(1, 79718012), (2, 39859006), (4, 19929503), (11, 7247092), (22, 3623546), (44, 1811773), (89, 895708), (178, 447854), (356, 223927), (979, 81428), (1958, 40714), (3916, 20357)]