679980908

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89897}}^1$

素因数の和:89993

約数の個数: 24

約数和(自身を含む): 1248503424

約数和(自身を除く): 568522516

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 244, 1891, 3782, 7564, 89897, 179794, 359588, 2786807, 5483717, 5573614, 10967434, 11147228, 21934868, 169995227, 339990454, 679980908]

約数ペア:

[(1, 679980908), (2, 339990454), (4, 169995227), (31, 21934868), (61, 11147228), (62, 10967434), (122, 5573614), (124, 5483717), (244, 2786807), (1891, 359588), (3782, 179794), (7564, 89897)]