31117216

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:725

約数の個数: 48

約数和(自身を含む): 66594528

約数和(自身を除く): 35477312

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 131, 208, 262, 416, 524, 571, 1048, 1142, 1703, 2096, 2284, 3406, 4192, 4568, 6812, 7423, 9136, 13624, 14846, 18272, 27248, 29692, 54496, 59384, 74801, 118768, 149602, 237536, 299204, 598408, 972413, 1196816, 1944826, 2393632, 3889652, 7779304, 15558608, 31117216]

約数ペア:

[(1, 31117216), (2, 15558608), (4, 7779304), (8, 3889652), (13, 2393632), (16, 1944826), (26, 1196816), (32, 972413), (52, 598408), (104, 299204), (131, 237536), (208, 149602), (262, 118768), (416, 74801), (524, 59384), (571, 54496), (1048, 29692), (1142, 27248), (1703, 18272), (2096, 14846), (2284, 13624), (3406, 9136), (4192, 7423), (4568, 6812)]