74972947

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{601}}^1$

素因数の和:930

約数の個数: 16

約数和(自身を含む): 87381504

約数和(自身を除く): 12408557

約数列:

[1, 7, 71, 251, 497, 601, 1757, 4207, 17821, 42671, 124747, 150851, 298697, 1055957, 10710421, 74972947]

約数ペア:

[(1, 74972947), (7, 10710421), (71, 1055957), (251, 298697), (497, 150851), (601, 124747), (1757, 42671), (4207, 17821)]