81324978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{457}}^1$

素因数の和:711

約数の個数: 64

約数和(自身を含む): 196976640

約数和(自身を除く): 115651662

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 223, 266, 399, 446, 457, 669, 798, 914, 1338, 1371, 1561, 2742, 3122, 3199, 4237, 4683, 6398, 8474, 8683, 9366, 9597, 12711, 17366, 19194, 25422, 26049, 29659, 52098, 59318, 60781, 88977, 101911, 121562, 177954, 182343, 203822, 305733, 364686, 611466, 713377, 1426754, 1936309, 2140131, 3872618, 4280262, 5808927, 11617854, 13554163, 27108326, 40662489, 81324978]

約数ペア:

[(1, 81324978), (2, 40662489), (3, 27108326), (6, 13554163), (7, 11617854), (14, 5808927), (19, 4280262), (21, 3872618), (38, 2140131), (42, 1936309), (57, 1426754), (114, 713377), (133, 611466), (223, 364686), (266, 305733), (399, 203822), (446, 182343), (457, 177954), (669, 121562), (798, 101911), (914, 88977), (1338, 60781), (1371, 59318), (1561, 52098), (2742, 29659), (3122, 26049), (3199, 25422), (4237, 19194), (4683, 17366), (6398, 12711), (8474, 9597), (8683, 9366)]