30947874671

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{420779}}^1$

素因数の和:420891

約数の個数: 24

約数和(自身を含む): 38375136000

約数和(自身を除く): 7427261329

約数列:

[1, 7, 19, 49, 79, 133, 553, 931, 1501, 3871, 10507, 73549, 420779, 2945453, 7994801, 20618171, 33241541, 55963607, 232690787, 391745249, 631589279, 1628835509, 4421124953, 30947874671]

約数ペア:

[(1, 30947874671), (7, 4421124953), (19, 1628835509), (49, 631589279), (79, 391745249), (133, 232690787), (553, 55963607), (931, 33241541), (1501, 20618171), (3871, 7994801), (10507, 2945453), (73549, 420779)]