90809588

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 173389440

約数和(自身を除く): 82579852

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 151, 164, 193, 302, 386, 604, 772, 779, 1558, 2869, 3116, 3667, 5738, 6191, 7334, 7913, 11476, 12382, 14668, 15826, 24764, 29143, 31652, 58286, 116572, 117629, 150347, 235258, 300694, 470516, 553717, 601388, 1107434, 1194863, 2214868, 2389726, 4779452, 22702397, 45404794, 90809588]

約数ペア:

[(1, 90809588), (2, 45404794), (4, 22702397), (19, 4779452), (38, 2389726), (41, 2214868), (76, 1194863), (82, 1107434), (151, 601388), (164, 553717), (193, 470516), (302, 300694), (386, 235258), (604, 150347), (772, 117629), (779, 116572), (1558, 58286), (2869, 31652), (3116, 29143), (3667, 24764), (5738, 15826), (6191, 14668), (7334, 12382), (7913, 11476)]