72807654

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1987}}^1$

素因数の和:2220

約数の個数: 32

約数和(自身を含む): 151151616

約数和(自身を除く): 78343962

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 197, 394, 591, 1182, 1987, 3974, 5961, 6107, 11922, 12214, 18321, 36642, 61597, 123194, 184791, 369582, 391439, 782878, 1174317, 2348634, 12134609, 24269218, 36403827, 72807654]

約数ペア:

[(1, 72807654), (2, 36403827), (3, 24269218), (6, 12134609), (31, 2348634), (62, 1174317), (93, 782878), (186, 391439), (197, 369582), (394, 184791), (591, 123194), (1182, 61597), (1987, 36642), (3974, 18321), (5961, 12214), (6107, 11922)]