81450796

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{541}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 172399360

約数和(自身を除く): 90948564

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 283, 532, 541, 566, 1082, 1132, 1981, 2164, 3787, 3962, 5377, 7574, 7924, 10279, 10754, 15148, 20558, 21508, 37639, 41116, 71953, 75278, 143906, 150556, 153103, 287812, 306206, 612412, 1071721, 2143442, 2908957, 4286884, 5817914, 11635828, 20362699, 40725398, 81450796]

約数ペア:

[(1, 81450796), (2, 40725398), (4, 20362699), (7, 11635828), (14, 5817914), (19, 4286884), (28, 2908957), (38, 2143442), (76, 1071721), (133, 612412), (266, 306206), (283, 287812), (532, 153103), (541, 150556), (566, 143906), (1082, 75278), (1132, 71953), (1981, 41116), (2164, 37639), (3787, 21508), (3962, 20558), (5377, 15148), (7574, 10754), (7924, 10279)]