313804985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2657}}^1$

素因数の和:2777

約数の個数: 32

約数和(自身を含む): 428682240

約数和(自身を除く): 114877255

約数列:

[1, 5, 13, 23, 65, 79, 115, 299, 395, 1027, 1495, 1817, 2657, 5135, 9085, 13285, 23621, 34541, 61111, 118105, 172705, 209903, 305555, 794443, 1049515, 2728739, 3972215, 4827769, 13643695, 24138845, 62760997, 313804985]

約数ペア:

[(1, 313804985), (5, 62760997), (13, 24138845), (23, 13643695), (65, 4827769), (79, 3972215), (115, 2728739), (299, 1049515), (395, 794443), (1027, 305555), (1495, 209903), (1817, 172705), (2657, 118105), (5135, 61111), (9085, 34541), (13285, 23621)]