28910035

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 43997184

約数和(自身を除く): 15087149

約数列:

[1, 5, 7, 11, 35, 55, 61, 77, 305, 385, 427, 671, 1231, 2135, 3355, 4697, 6155, 8617, 13541, 23485, 43085, 67705, 75091, 94787, 375455, 473935, 525637, 826001, 2628185, 4130005, 5782007, 28910035]

約数ペア:

[(1, 28910035), (5, 5782007), (7, 4130005), (11, 2628185), (35, 826001), (55, 525637), (61, 473935), (77, 375455), (305, 94787), (385, 75091), (427, 67705), (671, 43085), (1231, 23485), (2135, 13541), (3355, 8617), (4697, 6155)]