681750448

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{617}}^1\times {\mathrm{1303}}^1$

素因数の和:1981

約数の個数: 40

約数和(自身を含む): 1349029728

約数和(自身を除く): 667279280

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 617, 848, 1234, 1303, 2468, 2606, 4936, 5212, 9872, 10424, 20848, 32701, 65402, 69059, 130804, 138118, 261608, 276236, 523216, 552472, 803951, 1104944, 1607902, 3215804, 6431608, 12863216, 42609403, 85218806, 170437612, 340875224, 681750448]

約数ペア:

[(1, 681750448), (2, 340875224), (4, 170437612), (8, 85218806), (16, 42609403), (53, 12863216), (106, 6431608), (212, 3215804), (424, 1607902), (617, 1104944), (848, 803951), (1234, 552472), (1303, 523216), (2468, 276236), (2606, 261608), (4936, 138118), (5212, 130804), (9872, 69059), (10424, 65402), (20848, 32701)]