206856325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 294078400

約数和(自身を除く): 87222075

約数列:

[1, 5, 13, 19, 25, 65, 95, 139, 241, 247, 325, 475, 695, 1205, 1235, 1807, 2641, 3133, 3475, 4579, 6025, 6175, 9035, 13205, 15665, 22895, 33499, 34333, 45175, 59527, 66025, 78325, 114475, 167495, 171665, 297635, 435487, 636481, 837475, 858325, 1488175, 2177435, 3182405, 8274253, 10887175, 15912025, 41371265, 206856325]

約数ペア:

[(1, 206856325), (5, 41371265), (13, 15912025), (19, 10887175), (25, 8274253), (65, 3182405), (95, 2177435), (139, 1488175), (241, 858325), (247, 837475), (325, 636481), (475, 435487), (695, 297635), (1205, 171665), (1235, 167495), (1807, 114475), (2641, 78325), (3133, 66025), (3475, 59527), (4579, 45175), (6025, 34333), (6175, 33499), (9035, 22895), (13205, 15665)]