313209865

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 395176320

約数和(自身を除く): 81966455

約数列:

[1, 5, 41, 107, 109, 131, 205, 535, 545, 655, 4387, 4469, 5371, 11663, 14017, 14279, 21935, 22345, 26855, 58315, 70085, 71395, 478183, 574697, 585439, 1527853, 2390915, 2873485, 2927195, 7639265, 62641973, 313209865]

約数ペア:

[(1, 313209865), (5, 62641973), (41, 7639265), (107, 2927195), (109, 2873485), (131, 2390915), (205, 1527853), (535, 585439), (545, 574697), (655, 478183), (4387, 71395), (4469, 70085), (5371, 58315), (11663, 26855), (14017, 22345), (14279, 21935)]