30721726

素因数分解:

$2^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{1381}}^1$

素因数の和:1624

約数の個数: 24

約数和(自身を含む): 53881416

約数和(自身を除く): 23159690

約数列:

[1, 2, 7, 14, 49, 98, 227, 454, 1381, 1589, 2762, 3178, 9667, 11123, 19334, 22246, 67669, 135338, 313487, 626974, 2194409, 4388818, 15360863, 30721726]

約数ペア:

[(1, 30721726), (2, 15360863), (7, 4388818), (14, 2194409), (49, 626974), (98, 313487), (227, 135338), (454, 67669), (1381, 22246), (1589, 19334), (2762, 11123), (3178, 9667)]