28153208

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1861}}^1$

素因数の和:1959

約数の個数: 32

約数和(自身を含む): 55413120

約数和(自身を除く): 27259912

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 1861, 1891, 3722, 3782, 7444, 7564, 14888, 15128, 57691, 113521, 115382, 227042, 230764, 454084, 461528, 908168, 3519151, 7038302, 14076604, 28153208]

約数ペア:

[(1, 28153208), (2, 14076604), (4, 7038302), (8, 3519151), (31, 908168), (61, 461528), (62, 454084), (122, 230764), (124, 227042), (244, 115382), (248, 113521), (488, 57691), (1861, 15128), (1891, 14888), (3722, 7564), (3782, 7444)]