30457778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{68909}}^1$

素因数の和:68941

約数の個数: 16

約数和(自身を含む): 52095960

約数和(自身を除く): 21638182

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 68909, 137818, 895817, 1171453, 1791634, 2342906, 15228889, 30457778]

約数ペア:

[(1, 30457778), (2, 15228889), (13, 2342906), (17, 1791634), (26, 1171453), (34, 895817), (221, 137818), (442, 68909)]