423122255

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 541900800

約数和(自身を除く): 118778545

約数列:

[1, 5, 31, 41, 139, 155, 205, 479, 695, 1271, 2395, 4309, 5699, 6355, 14849, 19639, 21545, 28495, 66581, 74245, 98195, 176669, 332905, 608809, 883345, 2064011, 2729821, 3044045, 10320055, 13649105, 84624451, 423122255]

約数ペア:

[(1, 423122255), (5, 84624451), (31, 13649105), (41, 10320055), (139, 3044045), (155, 2729821), (205, 2064011), (479, 883345), (695, 608809), (1271, 332905), (2395, 176669), (4309, 98195), (5699, 74245), (6355, 66581), (14849, 28495), (19639, 21545)]