280485023

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7883}}^1$

素因数の和:7943

約数の個数: 32

約数和(自身を含む): 381459456

約数和(自身を除く): 100974433

約数列:

[1, 7, 13, 17, 23, 91, 119, 161, 221, 299, 391, 1547, 2093, 2737, 5083, 7883, 35581, 55181, 102479, 134011, 181309, 717353, 938077, 1269163, 1742143, 2357017, 3082253, 12195001, 16499119, 21575771, 40069289, 280485023]

約数ペア:

[(1, 280485023), (7, 40069289), (13, 21575771), (17, 16499119), (23, 12195001), (91, 3082253), (119, 2357017), (161, 1742143), (221, 1269163), (299, 938077), (391, 717353), (1547, 181309), (2093, 134011), (2737, 102479), (5083, 55181), (7883, 35581)]