28920166

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1609}}^1$

素因数の和:1684

約数の個数: 32

約数和(自身を含む): 51004800

約数和(自身を除く): 22084634

約数列:

[1, 2, 11, 19, 22, 38, 43, 86, 209, 418, 473, 817, 946, 1609, 1634, 3218, 8987, 17699, 17974, 30571, 35398, 61142, 69187, 138374, 336281, 672562, 761057, 1314553, 1522114, 2629106, 14460083, 28920166]

約数ペア:

[(1, 28920166), (2, 14460083), (11, 2629106), (19, 1522114), (22, 1314553), (38, 761057), (43, 672562), (86, 336281), (209, 138374), (418, 69187), (473, 61142), (817, 35398), (946, 30571), (1609, 17974), (1634, 17699), (3218, 8987)]