259013587

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 320716800

約数和(自身を除く): 61703213

約数列:

[1, 7, 29, 31, 79, 203, 217, 521, 553, 899, 2291, 2449, 3647, 6293, 15109, 16037, 16151, 17143, 41159, 71021, 105763, 113057, 288113, 468379, 497147, 1193611, 1275929, 3278653, 8355277, 8931503, 37001941, 259013587]

約数ペア:

[(1, 259013587), (7, 37001941), (29, 8931503), (31, 8355277), (79, 3278653), (203, 1275929), (217, 1193611), (521, 497147), (553, 468379), (899, 288113), (2291, 113057), (2449, 105763), (3647, 71021), (6293, 41159), (15109, 17143), (16037, 16151)]