79945901

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2073

約数の個数: 24

約数和(自身を含む): 100219680

約数和(自身を除く): 20273779

約数列:

[1, 7, 19, 43, 49, 133, 301, 817, 931, 1997, 2107, 5719, 13979, 37943, 40033, 85871, 97853, 265601, 601097, 1631549, 1859207, 4207679, 11420843, 79945901]

約数ペア:

[(1, 79945901), (7, 11420843), (19, 4207679), (43, 1859207), (49, 1631549), (133, 601097), (301, 265601), (817, 97853), (931, 85871), (1997, 40033), (2107, 37943), (5719, 13979)]