12911965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7573}}^1$

素因数の和:7620

約数の個数: 16

約数和(自身を含む): 17450496

約数和(自身を除く): 4538531

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 7573, 37865, 83303, 234763, 416515, 1173815, 2582393, 12911965]

約数ペア:

[(1, 12911965), (5, 2582393), (11, 1173815), (31, 416515), (55, 234763), (155, 83303), (341, 37865), (1705, 7573)]