1640291394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2055503}}^1$

素因数の和:2055534

約数の個数: 32

約数和(自身を含む): 3946567680

約数和(自身を除く): 2306276286

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 2055503, 4111006, 6166509, 12333018, 14388521, 28777042, 39054557, 43165563, 78109114, 86331126, 117163671, 234327342, 273381899, 546763798, 820145697, 1640291394]

約数ペア:

[(1, 1640291394), (2, 820145697), (3, 546763798), (6, 273381899), (7, 234327342), (14, 117163671), (19, 86331126), (21, 78109114), (38, 43165563), (42, 39054557), (57, 28777042), (114, 14388521), (133, 12333018), (266, 6166509), (399, 4111006), (798, 2055503)]