30721288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3559}}^1$

素因数の和:3661

約数の個数: 32

約数和(自身を含む): 62798400

約数和(自身を除く): 32077112

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2158, 3559, 4316, 7118, 8632, 14236, 28472, 46267, 92534, 185068, 295397, 370136, 590794, 1181588, 2363176, 3840161, 7680322, 15360644, 30721288]

約数ペア:

[(1, 30721288), (2, 15360644), (4, 7680322), (8, 3840161), (13, 2363176), (26, 1181588), (52, 590794), (83, 370136), (104, 295397), (166, 185068), (332, 92534), (664, 46267), (1079, 28472), (2158, 14236), (3559, 8632), (4316, 7118)]