812778884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{881}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 1531152000

約数和(自身を除く): 718373116

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 199, 244, 398, 796, 881, 1159, 1762, 2318, 3524, 3781, 4636, 7562, 12139, 15124, 16739, 24278, 33478, 48556, 53741, 66956, 107482, 175319, 214964, 230641, 350638, 461282, 701276, 922564, 1021079, 2042158, 3331061, 4084316, 6662122, 10694459, 13324244, 21388918, 42777836, 203194721, 406389442, 812778884]

約数ペア:

[(1, 812778884), (2, 406389442), (4, 203194721), (19, 42777836), (38, 21388918), (61, 13324244), (76, 10694459), (122, 6662122), (199, 4084316), (244, 3331061), (398, 2042158), (796, 1021079), (881, 922564), (1159, 701276), (1762, 461282), (2318, 350638), (3524, 230641), (3781, 214964), (4636, 175319), (7562, 107482), (12139, 66956), (15124, 53741), (16739, 48556), (24278, 33478)]