2003198512

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{164089}}^1$

素因数の和:164213

約数の個数: 40

約数和(自身を含む): 4476375200

約数和(自身を除く): 2473176688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1744, 3052, 6104, 12208, 164089, 328178, 656356, 1148623, 1312712, 2297246, 2625424, 4594492, 9188984, 17885701, 18377968, 35771402, 71542804, 125199907, 143085608, 250399814, 286171216, 500799628, 1001599256, 2003198512]

約数ペア:

[(1, 2003198512), (2, 1001599256), (4, 500799628), (7, 286171216), (8, 250399814), (14, 143085608), (16, 125199907), (28, 71542804), (56, 35771402), (109, 18377968), (112, 17885701), (218, 9188984), (436, 4594492), (763, 2625424), (872, 2297246), (1526, 1312712), (1744, 1148623), (3052, 656356), (6104, 328178), (12208, 164089)]