521017744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{80803}}^1$

素因数の和:80855

約数の個数: 40

約数和(自身を含む): 1122205952

約数和(自身を除く): 601188208

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 80803, 161606, 323212, 646424, 1050439, 1292848, 2100878, 2504893, 4201756, 5009786, 8403512, 10019572, 16807024, 20039144, 32563609, 40078288, 65127218, 130254436, 260508872, 521017744]

約数ペア:

[(1, 521017744), (2, 260508872), (4, 130254436), (8, 65127218), (13, 40078288), (16, 32563609), (26, 20039144), (31, 16807024), (52, 10019572), (62, 8403512), (104, 5009786), (124, 4201756), (208, 2504893), (248, 2100878), (403, 1292848), (496, 1050439), (806, 646424), (1612, 323212), (3224, 161606), (6448, 80803)]