1976405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 2515968

約数和(自身を除く): 539563

約数列:

[1, 5, 31, 41, 155, 205, 311, 1271, 1555, 6355, 9641, 12751, 48205, 63755, 395281, 1976405]

約数ペア:

[(1, 1976405), (5, 395281), (31, 63755), (41, 48205), (155, 12751), (205, 9641), (311, 6355), (1271, 1555)]