78431262

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20521}}^1$

素因数の和:20553

約数の個数: 48

約数和(自身を含む): 196518672

約数和(自身を除く): 118087410

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 20521, 41042, 61563, 123126, 143647, 266773, 287294, 430941, 533546, 800319, 861882, 1005529, 1600638, 1867411, 2011058, 3016587, 3734822, 5602233, 6033174, 11204466, 13071877, 26143754, 39215631, 78431262]

約数ペア:

[(1, 78431262), (2, 39215631), (3, 26143754), (6, 13071877), (7, 11204466), (13, 6033174), (14, 5602233), (21, 3734822), (26, 3016587), (39, 2011058), (42, 1867411), (49, 1600638), (78, 1005529), (91, 861882), (98, 800319), (147, 533546), (182, 430941), (273, 287294), (294, 266773), (546, 143647), (637, 123126), (1274, 61563), (1911, 41042), (3822, 20521)]