257779136

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3169}}^1$

素因数の和:3253

約数の個数: 56

約数和(自身を含む): 541080960

約数和(自身を除く): 283301824

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 164, 248, 328, 496, 656, 992, 1271, 1312, 1984, 2542, 2624, 3169, 5084, 6338, 10168, 12676, 20336, 25352, 40672, 50704, 81344, 98239, 101408, 129929, 196478, 202816, 259858, 392956, 519716, 785912, 1039432, 1571824, 2078864, 3143648, 4027799, 4157728, 6287296, 8055598, 8315456, 16111196, 32222392, 64444784, 128889568, 257779136]

約数ペア:

[(1, 257779136), (2, 128889568), (4, 64444784), (8, 32222392), (16, 16111196), (31, 8315456), (32, 8055598), (41, 6287296), (62, 4157728), (64, 4027799), (82, 3143648), (124, 2078864), (164, 1571824), (248, 1039432), (328, 785912), (496, 519716), (656, 392956), (992, 259858), (1271, 202816), (1312, 196478), (1984, 129929), (2542, 101408), (2624, 98239), (3169, 81344), (5084, 50704), (6338, 40672), (10168, 25352), (12676, 20336)]