990547201

素因数分解:

$7^2\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{971}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 1170132480

約数和(自身を除く): 179585279

約数列:

[1, 7, 49, 109, 191, 763, 971, 1337, 5341, 6797, 9359, 20819, 47579, 105839, 145733, 185461, 740873, 1020131, 1298227, 5186111, 9087589, 20215249, 141506743, 990547201]

約数ペア:

[(1, 990547201), (7, 141506743), (49, 20215249), (109, 9087589), (191, 5186111), (763, 1298227), (971, 1020131), (1337, 740873), (5341, 185461), (6797, 145733), (9359, 105839), (20819, 47579)]