31105945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 42940800

約数和(自身を除く): 11834855

約数列:

[1, 5, 13, 19, 65, 89, 95, 247, 283, 445, 1157, 1235, 1415, 1691, 3679, 5377, 5785, 8455, 18395, 21983, 25187, 26885, 69901, 109915, 125935, 327431, 349505, 478553, 1637155, 2392765, 6221189, 31105945]

約数ペア:

[(1, 31105945), (5, 6221189), (13, 2392765), (19, 1637155), (65, 478553), (89, 349505), (95, 327431), (247, 125935), (283, 109915), (445, 69901), (1157, 26885), (1235, 25187), (1415, 21983), (1691, 18395), (3679, 8455), (5377, 5785)]