25397428

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 53625600

約数和(自身を除く): 28228172

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 113, 161, 226, 322, 349, 452, 644, 698, 791, 1396, 1582, 2443, 2599, 3164, 4886, 5198, 8027, 9772, 10396, 16054, 18193, 32108, 36386, 39437, 56189, 72772, 78874, 112378, 157748, 224756, 276059, 552118, 907051, 1104236, 1814102, 3628204, 6349357, 12698714, 25397428]

約数ペア:

[(1, 25397428), (2, 12698714), (4, 6349357), (7, 3628204), (14, 1814102), (23, 1104236), (28, 907051), (46, 552118), (92, 276059), (113, 224756), (161, 157748), (226, 112378), (322, 78874), (349, 72772), (452, 56189), (644, 39437), (698, 36386), (791, 32108), (1396, 18193), (1582, 16054), (2443, 10396), (2599, 9772), (3164, 8027), (4886, 5198)]