28270505

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{809}}^1$

素因数の和:1084

約数の個数: 16

約数和(自身を含む): 35283600

約数和(自身を除く): 7013095

約数列:

[1, 5, 29, 145, 241, 809, 1205, 4045, 6989, 23461, 34945, 117305, 194969, 974845, 5654101, 28270505]

約数ペア:

[(1, 28270505), (5, 5654101), (29, 974845), (145, 194969), (241, 117305), (809, 34945), (1205, 23461), (4045, 6989)]