1330211990

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1\times {\mathrm{1949}}^1$

素因数の和:2608

約数の個数: 32

約数和(自身を含む): 2418530400

約数和(自身を除く): 1088318410

約数列:

[1, 2, 5, 10, 131, 262, 521, 655, 1042, 1310, 1949, 2605, 3898, 5210, 9745, 19490, 68251, 136502, 255319, 341255, 510638, 682510, 1015429, 1276595, 2030858, 2553190, 5077145, 10154290, 133021199, 266042398, 665105995, 1330211990]

約数ペア:

[(1, 1330211990), (2, 665105995), (5, 266042398), (10, 133021199), (131, 10154290), (262, 5077145), (521, 2553190), (655, 2030858), (1042, 1276595), (1310, 1015429), (1949, 682510), (2605, 510638), (3898, 341255), (5210, 255319), (9745, 136502), (19490, 68251)]