28717992

素因数分解:

$2^3\times 3^2\times {\mathrm{163}}^1\times {\mathrm{2447}}^1$

素因数の和:2622

約数の個数: 48

約数和(自身を含む): 78287040

約数和(自身を除く): 49569048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 163, 326, 489, 652, 978, 1304, 1467, 1956, 2447, 2934, 3912, 4894, 5868, 7341, 9788, 11736, 14682, 19576, 22023, 29364, 44046, 58728, 88092, 176184, 398861, 797722, 1196583, 1595444, 2393166, 3190888, 3589749, 4786332, 7179498, 9572664, 14358996, 28717992]

約数ペア:

[(1, 28717992), (2, 14358996), (3, 9572664), (4, 7179498), (6, 4786332), (8, 3589749), (9, 3190888), (12, 2393166), (18, 1595444), (24, 1196583), (36, 797722), (72, 398861), (163, 176184), (326, 88092), (489, 58728), (652, 44046), (978, 29364), (1304, 22023), (1467, 19576), (1956, 14682), (2447, 11736), (2934, 9788), (3912, 7341), (4894, 5868)]