78778856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1889}}^1$

素因数の和:2309

約数の個数: 32

約数和(自身を含む): 159553800

約数和(自身を除く): 80774944

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 401, 802, 1604, 1889, 3208, 3778, 5213, 7556, 10426, 15112, 20852, 24557, 41704, 49114, 98228, 196456, 757489, 1514978, 3029956, 6059912, 9847357, 19694714, 39389428, 78778856]

約数ペア:

[(1, 78778856), (2, 39389428), (4, 19694714), (8, 9847357), (13, 6059912), (26, 3029956), (52, 1514978), (104, 757489), (401, 196456), (802, 98228), (1604, 49114), (1889, 41704), (3208, 24557), (3778, 20852), (5213, 15112), (7556, 10426)]