90128164

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 185673600

約数和(自身を除く): 95545436

約数列:

[1, 2, 4, 7, 14, 28, 59, 89, 118, 178, 236, 356, 413, 613, 623, 826, 1226, 1246, 1652, 2452, 2492, 4291, 5251, 8582, 10502, 17164, 21004, 36167, 36757, 54557, 72334, 73514, 109114, 144668, 147028, 218228, 253169, 381899, 506338, 763798, 1012676, 1527596, 3218863, 6437726, 12875452, 22532041, 45064082, 90128164]

約数ペア:

[(1, 90128164), (2, 45064082), (4, 22532041), (7, 12875452), (14, 6437726), (28, 3218863), (59, 1527596), (89, 1012676), (118, 763798), (178, 506338), (236, 381899), (356, 253169), (413, 218228), (613, 147028), (623, 144668), (826, 109114), (1226, 73514), (1246, 72334), (1652, 54557), (2452, 36757), (2492, 36167), (4291, 21004), (5251, 17164), (8582, 10502)]