81969135568

素因数分解:

$2^4\times {\mathrm{809}}^1\times {\mathrm{1123}}^1\times {\mathrm{5639}}^1$

素因数の和:7579

約数の個数: 40

約数和(自身を含む): 159181329600

約数和(自身を除く): 77212194032

約数列:

[1, 2, 4, 8, 16, 809, 1123, 1618, 2246, 3236, 4492, 5639, 6472, 8984, 11278, 12944, 17968, 22556, 45112, 90224, 908507, 1817014, 3634028, 4561951, 6332597, 7268056, 9123902, 12665194, 14536112, 18247804, 25330388, 36495608, 50660776, 72991216, 101321552, 5123070973, 10246141946, 20492283892, 40984567784, 81969135568]

約数ペア:

[(1, 81969135568), (2, 40984567784), (4, 20492283892), (8, 10246141946), (16, 5123070973), (809, 101321552), (1123, 72991216), (1618, 50660776), (2246, 36495608), (3236, 25330388), (4492, 18247804), (5639, 14536112), (6472, 12665194), (8984, 9123902), (11278, 7268056), (12944, 6332597), (17968, 4561951), (22556, 3634028), (45112, 1817014), (90224, 908507)]