620177545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2203}}^1$

素因数の和:2353

約数の個数: 32

約数和(自身を含む): 826447104

約数和(自身を除く): 206269559

約数列:

[1, 5, 13, 61, 65, 71, 305, 355, 793, 923, 2203, 3965, 4331, 4615, 11015, 21655, 28639, 56303, 134383, 143195, 156413, 281515, 671915, 782065, 1746979, 2033369, 8734895, 9541193, 10166845, 47705965, 124035509, 620177545]

約数ペア:

[(1, 620177545), (5, 124035509), (13, 47705965), (61, 10166845), (65, 9541193), (71, 8734895), (305, 2033369), (355, 1746979), (793, 782065), (923, 671915), (2203, 281515), (3965, 156413), (4331, 143195), (4615, 134383), (11015, 56303), (21655, 28639)]