331800905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 425779200

約数和(自身を除く): 93978295

約数列:

[1, 5, 31, 41, 109, 155, 205, 479, 545, 1271, 2395, 3379, 4469, 6355, 14849, 16895, 19639, 22345, 52211, 74245, 98195, 138539, 261055, 608809, 692695, 1618541, 2140651, 3044045, 8092705, 10703255, 66360181, 331800905]

約数ペア:

[(1, 331800905), (5, 66360181), (31, 10703255), (41, 8092705), (109, 3044045), (155, 2140651), (205, 1618541), (479, 692695), (545, 608809), (1271, 261055), (2395, 138539), (3379, 98195), (4469, 74245), (6355, 52211), (14849, 22345), (16895, 19639)]