90825028

素因数分解:

$2^2\times 7^6\times {\mathrm{193}}^1$

素因数の和:239

約数の個数: 42

約数和(自身を含む): 186395006

約数和(自身を除く): 95569978

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 193, 196, 343, 386, 686, 772, 1351, 1372, 2401, 2702, 4802, 5404, 9457, 9604, 16807, 18914, 33614, 37828, 66199, 67228, 117649, 132398, 235298, 264796, 463393, 470596, 926786, 1853572, 3243751, 6487502, 12975004, 22706257, 45412514, 90825028]

約数ペア:

[(1, 90825028), (2, 45412514), (4, 22706257), (7, 12975004), (14, 6487502), (28, 3243751), (49, 1853572), (98, 926786), (193, 470596), (196, 463393), (343, 264796), (386, 235298), (686, 132398), (772, 117649), (1351, 67228), (1372, 66199), (2401, 37828), (2702, 33614), (4802, 18914), (5404, 16807), (9457, 9604)]