64668571

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1223}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 78140160

約数和(自身を除く): 13471589

約数列:

[1, 11, 19, 23, 121, 209, 253, 437, 1223, 2299, 2783, 4807, 13453, 23237, 28129, 52877, 147983, 255607, 309419, 534451, 2811677, 3403609, 5878961, 64668571]

約数ペア:

[(1, 64668571), (11, 5878961), (19, 3403609), (23, 2811677), (121, 534451), (209, 309419), (253, 255607), (437, 147983), (1223, 52877), (2299, 28129), (2783, 23237), (4807, 13453)]