213765970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1237}}^1\times {\mathrm{1571}}^1$

素因数の和:2826

約数の個数: 32

約数和(自身を含む): 420365376

約数和(自身を除く): 206599406

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1237, 1571, 2474, 3142, 6185, 7855, 12370, 13607, 15710, 17281, 27214, 34562, 68035, 86405, 136070, 172810, 1943327, 3886654, 9716635, 19433270, 21376597, 42753194, 106882985, 213765970]

約数ペア:

[(1, 213765970), (2, 106882985), (5, 42753194), (10, 21376597), (11, 19433270), (22, 9716635), (55, 3886654), (110, 1943327), (1237, 172810), (1571, 136070), (2474, 86405), (3142, 68035), (6185, 34562), (7855, 27214), (12370, 17281), (13607, 15710)]