15621216

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{12517}}^1$

素因数の和:12543

約数の個数: 48

約数和(自身を含む): 44163504

約数和(自身を除く): 28542288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 12517, 25034, 37551, 50068, 75102, 100136, 150204, 162721, 200272, 300408, 325442, 400544, 488163, 600816, 650884, 976326, 1201632, 1301768, 1952652, 2603536, 3905304, 5207072, 7810608, 15621216]

約数ペア:

[(1, 15621216), (2, 7810608), (3, 5207072), (4, 3905304), (6, 2603536), (8, 1952652), (12, 1301768), (13, 1201632), (16, 976326), (24, 650884), (26, 600816), (32, 488163), (39, 400544), (48, 325442), (52, 300408), (78, 200272), (96, 162721), (104, 150204), (156, 100136), (208, 75102), (312, 50068), (416, 37551), (624, 25034), (1248, 12517)]