1280821682

素因数分解:

$2^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{26297}}^1$

素因数の和:26391

約数の個数: 32

約数和(自身を含む): 2272147200

約数和(自身を除く): 991325518

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 343, 497, 686, 994, 3479, 6958, 24353, 26297, 48706, 52594, 184079, 368158, 1288553, 1867087, 2577106, 3734174, 9019871, 13069609, 18039742, 26139218, 91487263, 182974526, 640410841, 1280821682]

約数ペア:

[(1, 1280821682), (2, 640410841), (7, 182974526), (14, 91487263), (49, 26139218), (71, 18039742), (98, 13069609), (142, 9019871), (343, 3734174), (497, 2577106), (686, 1867087), (994, 1288553), (3479, 368158), (6958, 184079), (24353, 52594), (26297, 48706)]