77640985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 101647872

約数和(自身を除く): 24006887

約数列:

[1, 5, 23, 37, 71, 115, 185, 257, 355, 851, 1285, 1633, 2627, 4255, 5911, 8165, 9509, 13135, 18247, 29555, 47545, 60421, 91235, 218707, 302105, 419681, 675139, 1093535, 2098405, 3375695, 15528197, 77640985]

約数ペア:

[(1, 77640985), (5, 15528197), (23, 3375695), (37, 2098405), (71, 1093535), (115, 675139), (185, 419681), (257, 302105), (355, 218707), (851, 91235), (1285, 60421), (1633, 47545), (2627, 29555), (4255, 18247), (5911, 13135), (8165, 9509)]