205132208

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{21767}}^1$

素因数の和:21825

約数の個数: 40

約数和(自身を含む): 431877120

約数和(自身を除く): 226744912

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 21767, 43534, 87068, 174136, 348272, 413573, 674777, 827146, 1349554, 1654292, 2699108, 3308584, 5398216, 6617168, 10796432, 12820763, 25641526, 51283052, 102566104, 205132208]

約数ペア:

[(1, 205132208), (2, 102566104), (4, 51283052), (8, 25641526), (16, 12820763), (19, 10796432), (31, 6617168), (38, 5398216), (62, 3308584), (76, 2699108), (124, 1654292), (152, 1349554), (248, 827146), (304, 674777), (496, 413573), (589, 348272), (1178, 174136), (2356, 87068), (4712, 43534), (9424, 21767)]