66718778

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1423}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 121803264

約数和(自身を除く): 55084486

約数列:

[1, 2, 7, 14, 17, 34, 119, 197, 238, 394, 1379, 1423, 2758, 2846, 3349, 6698, 9961, 19922, 23443, 24191, 46886, 48382, 169337, 280331, 338674, 560662, 1962317, 3924634, 4765627, 9531254, 33359389, 66718778]

約数ペア:

[(1, 66718778), (2, 33359389), (7, 9531254), (14, 4765627), (17, 3924634), (34, 1962317), (119, 560662), (197, 338674), (238, 280331), (394, 169337), (1379, 48382), (1423, 46886), (2758, 24191), (2846, 23443), (3349, 19922), (6698, 9961)]