51638704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{607}}^1$

素因数の和:1037

約数の個数: 40

約数和(自身を含む): 108187520

約数和(自身を除く): 56548816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 409, 607, 818, 1214, 1636, 2428, 3272, 4856, 5317, 6544, 7891, 9712, 10634, 15782, 21268, 31564, 42536, 63128, 85072, 126256, 248263, 496526, 993052, 1986104, 3227419, 3972208, 6454838, 12909676, 25819352, 51638704]

約数ペア:

[(1, 51638704), (2, 25819352), (4, 12909676), (8, 6454838), (13, 3972208), (16, 3227419), (26, 1986104), (52, 993052), (104, 496526), (208, 248263), (409, 126256), (607, 85072), (818, 63128), (1214, 42536), (1636, 31564), (2428, 21268), (3272, 15782), (4856, 10634), (5317, 9712), (6544, 7891)]