64811990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{827}}^1$

素因数の和:1312

約数の個数: 32

約数和(自身を含む): 123941664

約数和(自身を除く): 59129674

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 461, 827, 922, 1654, 2305, 4135, 4610, 7837, 8270, 14059, 15674, 28118, 39185, 70295, 78370, 140590, 381247, 762494, 1906235, 3812470, 6481199, 12962398, 32405995, 64811990]

約数ペア:

[(1, 64811990), (2, 32405995), (5, 12962398), (10, 6481199), (17, 3812470), (34, 1906235), (85, 762494), (170, 381247), (461, 140590), (827, 78370), (922, 70295), (1654, 39185), (2305, 28118), (4135, 15674), (4610, 14059), (7837, 8270)]