30381538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{22639}}^1$

素因数の和:22713

約数の個数: 16

約数和(自身を含む): 50532480

約数和(自身を除く): 20150942

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 22639, 45278, 249029, 498058, 1380979, 2761958, 15190769, 30381538]

約数ペア:

[(1, 30381538), (2, 15190769), (11, 2761958), (22, 1380979), (61, 498058), (122, 249029), (671, 45278), (1342, 22639)]