81478316

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{4919}}^1$

素因数の和:5065

約数の個数: 24

約数和(自身を含む): 147540960

約数和(自身を除く): 66062644

約数列:

[1, 2, 4, 41, 82, 101, 164, 202, 404, 4141, 4919, 8282, 9838, 16564, 19676, 201679, 403358, 496819, 806716, 993638, 1987276, 20369579, 40739158, 81478316]

約数ペア:

[(1, 81478316), (2, 40739158), (4, 20369579), (41, 1987276), (82, 993638), (101, 806716), (164, 496819), (202, 403358), (404, 201679), (4141, 19676), (4919, 16564), (8282, 9838)]