12721856

素因数分解:

$2^6\times 7^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:481

約数の個数: 56

約数和(自身を含む): 29321760

約数和(自身を除く): 16599904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 146, 224, 292, 389, 448, 511, 584, 778, 1022, 1168, 1556, 2044, 2336, 2723, 3112, 4088, 4672, 5446, 6224, 8176, 10892, 12448, 16352, 21784, 24896, 28397, 32704, 43568, 56794, 87136, 113588, 174272, 198779, 227176, 397558, 454352, 795116, 908704, 1590232, 1817408, 3180464, 6360928, 12721856]

約数ペア:

[(1, 12721856), (2, 6360928), (4, 3180464), (7, 1817408), (8, 1590232), (14, 908704), (16, 795116), (28, 454352), (32, 397558), (56, 227176), (64, 198779), (73, 174272), (112, 113588), (146, 87136), (224, 56794), (292, 43568), (389, 32704), (448, 28397), (511, 24896), (584, 21784), (778, 16352), (1022, 12448), (1168, 10892), (1556, 8176), (2044, 6224), (2336, 5446), (2723, 4672), (3112, 4088)]