39390445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 52068096

約数和(自身を除く): 12677651

約数列:

[1, 5, 17, 61, 71, 85, 107, 305, 355, 535, 1037, 1207, 1819, 4331, 5185, 6035, 6527, 7597, 9095, 21655, 32635, 37985, 73627, 110959, 129149, 368135, 463417, 554795, 645745, 2317085, 7878089, 39390445]

約数ペア:

[(1, 39390445), (5, 7878089), (17, 2317085), (61, 645745), (71, 554795), (85, 463417), (107, 368135), (305, 129149), (355, 110959), (535, 73627), (1037, 37985), (1207, 32635), (1819, 21655), (4331, 9095), (5185, 7597), (6035, 6527)]