258045688

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 514350000

約数和(自身を除く): 256304312

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 199, 361, 398, 449, 722, 796, 898, 1444, 1592, 1796, 2888, 3592, 3781, 7562, 8531, 15124, 17062, 30248, 34124, 68248, 71839, 89351, 143678, 162089, 178702, 287356, 324178, 357404, 574712, 648356, 714808, 1296712, 1697669, 3395338, 6790676, 13581352, 32255711, 64511422, 129022844, 258045688]

約数ペア:

[(1, 258045688), (2, 129022844), (4, 64511422), (8, 32255711), (19, 13581352), (38, 6790676), (76, 3395338), (152, 1697669), (199, 1296712), (361, 714808), (398, 648356), (449, 574712), (722, 357404), (796, 324178), (898, 287356), (1444, 178702), (1592, 162089), (1796, 143678), (2888, 89351), (3592, 71839), (3781, 68248), (7562, 34124), (8531, 30248), (15124, 17062)]