81672392

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 155595000

約数和(自身を除く): 73922608

約数列:

[1, 2, 4, 8, 109, 218, 229, 409, 436, 458, 818, 872, 916, 1636, 1832, 3272, 24961, 44581, 49922, 89162, 93661, 99844, 178324, 187322, 199688, 356648, 374644, 749288, 10209049, 20418098, 40836196, 81672392]

約数ペア:

[(1, 81672392), (2, 40836196), (4, 20418098), (8, 10209049), (109, 749288), (218, 374644), (229, 356648), (409, 199688), (436, 187322), (458, 178324), (818, 99844), (872, 93661), (916, 89162), (1636, 49922), (1832, 44581), (3272, 24961)]