79987316

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{997}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 144861696

約数和(自身を除く): 64874380

約数列:

[1, 2, 4, 31, 62, 124, 647, 997, 1294, 1994, 2588, 3988, 20057, 30907, 40114, 61814, 80228, 123628, 645059, 1290118, 2580236, 19996829, 39993658, 79987316]

約数ペア:

[(1, 79987316), (2, 39993658), (4, 19996829), (31, 2580236), (62, 1290118), (124, 645059), (647, 123628), (997, 80228), (1294, 61814), (1994, 40114), (2588, 30907), (3988, 20057)]