215840478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{119513}}^1$

素因数の和:119568

約数の個数: 32

約数和(自身を含む): 504827136

約数和(自身を除く): 288986658

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 119513, 239026, 358539, 717078, 836591, 1673182, 2509773, 5019546, 5139059, 10278118, 15417177, 30834354, 35973413, 71946826, 107920239, 215840478]

約数ペア:

[(1, 215840478), (2, 107920239), (3, 71946826), (6, 35973413), (7, 30834354), (14, 15417177), (21, 10278118), (42, 5139059), (43, 5019546), (86, 2509773), (129, 1673182), (258, 836591), (301, 717078), (602, 358539), (903, 239026), (1806, 119513)]