128500208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{577}}^1$

素因数の和:1065

約数の個数: 40

約数和(自身を含む): 258019200

約数和(自身を除く): 129518992

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 449, 496, 577, 898, 1154, 1796, 2308, 3592, 4616, 7184, 9232, 13919, 17887, 27838, 35774, 55676, 71548, 111352, 143096, 222704, 259073, 286192, 518146, 1036292, 2072584, 4145168, 8031263, 16062526, 32125052, 64250104, 128500208]

約数ペア:

[(1, 128500208), (2, 64250104), (4, 32125052), (8, 16062526), (16, 8031263), (31, 4145168), (62, 2072584), (124, 1036292), (248, 518146), (449, 286192), (496, 259073), (577, 222704), (898, 143096), (1154, 111352), (1796, 71548), (2308, 55676), (3592, 35774), (4616, 27838), (7184, 17887), (9232, 13919)]