28278815156

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{401209}}^1$

素因数の和:401543

約数の個数: 24

約数和(自身を含む): 50417653440

約数和(自身を除く): 22138838284

約数列:

[1, 2, 4, 67, 134, 263, 268, 526, 1052, 17621, 35242, 70484, 401209, 802418, 1604836, 26881003, 53762006, 105517967, 107524012, 211035934, 422071868, 7069703789, 14139407578, 28278815156]

約数ペア:

[(1, 28278815156), (2, 14139407578), (4, 7069703789), (67, 422071868), (134, 211035934), (263, 107524012), (268, 105517967), (526, 53762006), (1052, 26881003), (17621, 1604836), (35242, 802418), (70484, 401209)]