81396644

素因数分解:

$2^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{1447}}^1$

素因数の和:1513

約数の個数: 48

約数和(自身を含む): 170284800

約数和(自身を除く): 88888156

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 343, 574, 686, 1148, 1372, 1447, 2009, 2894, 4018, 5788, 8036, 10129, 14063, 20258, 28126, 40516, 56252, 59327, 70903, 118654, 141806, 237308, 283612, 415289, 496321, 830578, 992642, 1661156, 1985284, 2907023, 5814046, 11628092, 20349161, 40698322, 81396644]

約数ペア:

[(1, 81396644), (2, 40698322), (4, 20349161), (7, 11628092), (14, 5814046), (28, 2907023), (41, 1985284), (49, 1661156), (82, 992642), (98, 830578), (164, 496321), (196, 415289), (287, 283612), (343, 237308), (574, 141806), (686, 118654), (1148, 70903), (1372, 59327), (1447, 56252), (2009, 40516), (2894, 28126), (4018, 20258), (5788, 14063), (8036, 10129)]