257788308

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{743}}^1\times {\mathrm{997}}^1$

素因数の和:1776

約数の個数: 48

約数和(自身を含む): 623710080

約数和(自身を除く): 365921772

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 743, 997, 1486, 1994, 2229, 2972, 2991, 3988, 4458, 5982, 8916, 11964, 21547, 28913, 43094, 57826, 64641, 86188, 86739, 115652, 129282, 173478, 258564, 346956, 740771, 1481542, 2222313, 2963084, 4444626, 8889252, 21482359, 42964718, 64447077, 85929436, 128894154, 257788308]

約数ペア:

[(1, 257788308), (2, 128894154), (3, 85929436), (4, 64447077), (6, 42964718), (12, 21482359), (29, 8889252), (58, 4444626), (87, 2963084), (116, 2222313), (174, 1481542), (348, 740771), (743, 346956), (997, 258564), (1486, 173478), (1994, 129282), (2229, 115652), (2972, 86739), (2991, 86188), (3988, 64641), (4458, 57826), (5982, 43094), (8916, 28913), (11964, 21547)]