1242815870

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{630871}}^1$

素因数の和:631075

約数の個数: 16

約数和(自身を含む): 2248427808

約数和(自身を除く): 1005611938

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 630871, 1261742, 3154355, 6308710, 124281587, 248563174, 621407935, 1242815870]

約数ペア:

[(1, 1242815870), (2, 621407935), (5, 248563174), (10, 124281587), (197, 6308710), (394, 3154355), (985, 1261742), (1970, 630871)]