2211291985

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{3701}}^1$

素因数の和:4153

約数の個数: 32

約数和(自身を含む): 3111812352

約数和(自身を除く): 900520367

約数列:

[1, 5, 7, 35, 43, 215, 301, 397, 1505, 1985, 2779, 3701, 13895, 17071, 18505, 25907, 85355, 119497, 129535, 159143, 597485, 795715, 1114001, 1469297, 5570005, 7346485, 10285079, 51425395, 63179771, 315898855, 442258397, 2211291985]

約数ペア:

[(1, 2211291985), (5, 442258397), (7, 315898855), (35, 63179771), (43, 51425395), (215, 10285079), (301, 7346485), (397, 5570005), (1505, 1469297), (1985, 1114001), (2779, 795715), (3701, 597485), (13895, 159143), (17071, 129535), (18505, 119497), (25907, 85355)]