25537408

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 55692000

約数和(自身を除く): 30154592

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 103, 104, 128, 149, 206, 208, 298, 412, 416, 596, 824, 832, 1192, 1339, 1648, 1664, 1937, 2384, 2678, 3296, 3874, 4768, 5356, 6592, 7748, 9536, 10712, 13184, 15347, 15496, 19072, 21424, 30694, 30992, 42848, 61388, 61984, 85696, 122776, 123968, 171392, 199511, 245552, 247936, 399022, 491104, 798044, 982208, 1596088, 1964416, 3192176, 6384352, 12768704, 25537408]

約数ペア:

[(1, 25537408), (2, 12768704), (4, 6384352), (8, 3192176), (13, 1964416), (16, 1596088), (26, 982208), (32, 798044), (52, 491104), (64, 399022), (103, 247936), (104, 245552), (128, 199511), (149, 171392), (206, 123968), (208, 122776), (298, 85696), (412, 61984), (416, 61388), (596, 42848), (824, 30992), (832, 30694), (1192, 21424), (1339, 19072), (1648, 15496), (1664, 15347), (1937, 13184), (2384, 10712), (2678, 9536), (3296, 7748), (3874, 6592), (4768, 5356)]