31191356

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 65318400

約数和(自身を除く): 34127044

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 107, 116, 203, 214, 359, 406, 428, 718, 749, 812, 1436, 1498, 2513, 2996, 3103, 5026, 6206, 10052, 10411, 12412, 20822, 21721, 38413, 41644, 43442, 72877, 76826, 86884, 145754, 153652, 268891, 291508, 537782, 1075564, 1113977, 2227954, 4455908, 7797839, 15595678, 31191356]

約数ペア:

[(1, 31191356), (2, 15595678), (4, 7797839), (7, 4455908), (14, 2227954), (28, 1113977), (29, 1075564), (58, 537782), (107, 291508), (116, 268891), (203, 153652), (214, 145754), (359, 86884), (406, 76826), (428, 72877), (718, 43442), (749, 41644), (812, 38413), (1436, 21721), (1498, 20822), (2513, 12412), (2996, 10411), (3103, 10052), (5026, 6206)]