259450919

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 330333696

約数和(自身を除く): 70882777

約数列:

[1, 7, 13, 37, 91, 251, 259, 307, 481, 1757, 2149, 3263, 3367, 3991, 9287, 11359, 22841, 27937, 65009, 77057, 79513, 120731, 147667, 539399, 845117, 1001741, 1033669, 2851109, 7012187, 19957763, 37064417, 259450919]

約数ペア:

[(1, 259450919), (7, 37064417), (13, 19957763), (37, 7012187), (91, 2851109), (251, 1033669), (259, 1001741), (307, 845117), (481, 539399), (1757, 147667), (2149, 120731), (3263, 79513), (3367, 77057), (3991, 65009), (9287, 27937), (11359, 22841)]