30621878

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1559}}^1$

素因数の和:1652

約数の個数: 32

約数和(自身を含む): 55710720

約数和(自身を除く): 25088842

約数列:

[1, 2, 7, 14, 23, 46, 61, 122, 161, 322, 427, 854, 1403, 1559, 2806, 3118, 9821, 10913, 19642, 21826, 35857, 71714, 95099, 190198, 250999, 501998, 665693, 1331386, 2187277, 4374554, 15310939, 30621878]

約数ペア:

[(1, 30621878), (2, 15310939), (7, 4374554), (14, 2187277), (23, 1331386), (46, 665693), (61, 501998), (122, 250999), (161, 190198), (322, 95099), (427, 71714), (854, 35857), (1403, 21826), (1559, 19642), (2806, 10913), (3118, 9821)]