81257632

素因数分解:

$2^5\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 164263680

約数和(自身を除く): 83006048

約数列:

[1, 2, 4, 8, 16, 32, 59, 118, 193, 223, 236, 386, 446, 472, 772, 892, 944, 1544, 1784, 1888, 3088, 3568, 6176, 7136, 11387, 13157, 22774, 26314, 43039, 45548, 52628, 86078, 91096, 105256, 172156, 182192, 210512, 344312, 364384, 421024, 688624, 1377248, 2539301, 5078602, 10157204, 20314408, 40628816, 81257632]

約数ペア:

[(1, 81257632), (2, 40628816), (4, 20314408), (8, 10157204), (16, 5078602), (32, 2539301), (59, 1377248), (118, 688624), (193, 421024), (223, 364384), (236, 344312), (386, 210512), (446, 182192), (472, 172156), (772, 105256), (892, 91096), (944, 86078), (1544, 52628), (1784, 45548), (1888, 43039), (3088, 26314), (3568, 22774), (6176, 13157), (7136, 11387)]