261360816

素因数分解:

$2^4\times 3^1\times {\mathrm{409}}^1\times {\mathrm{13313}}^1$

素因数の和:13733

約数の個数: 40

約数和(自身を含む): 676883760

約数和(自身を除く): 415522944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 409, 818, 1227, 1636, 2454, 3272, 4908, 6544, 9816, 13313, 19632, 26626, 39939, 53252, 79878, 106504, 159756, 213008, 319512, 639024, 5445017, 10890034, 16335051, 21780068, 32670102, 43560136, 65340204, 87120272, 130680408, 261360816]

約数ペア:

[(1, 261360816), (2, 130680408), (3, 87120272), (4, 65340204), (6, 43560136), (8, 32670102), (12, 21780068), (16, 16335051), (24, 10890034), (48, 5445017), (409, 639024), (818, 319512), (1227, 213008), (1636, 159756), (2454, 106504), (3272, 79878), (4908, 53252), (6544, 39939), (9816, 26626), (13313, 19632)]