78126665

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{8263}}^1$

素因数の和:8360

約数の個数: 16

約数和(自身を含む): 98374656

約数和(自身を除く): 20247991

約数列:

[1, 5, 31, 61, 155, 305, 1891, 8263, 9455, 41315, 256153, 504043, 1280765, 2520215, 15625333, 78126665]

約数ペア:

[(1, 78126665), (5, 15625333), (31, 2520215), (61, 1280765), (155, 504043), (305, 256153), (1891, 41315), (8263, 9455)]