638631798

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{401}}^1\times {\mathrm{5417}}^1$

素因数の和:5837

約数の個数: 48

約数和(自身を含む): 1489776624

約数和(自身を除く): 851144826

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 401, 802, 1203, 2406, 2807, 5417, 5614, 8421, 10834, 16251, 16842, 19649, 32502, 37919, 39298, 58947, 75838, 113757, 117894, 227514, 265433, 530866, 796299, 1592598, 2172217, 4344434, 6516651, 13033302, 15205519, 30411038, 45616557, 91233114, 106438633, 212877266, 319315899, 638631798]

約数ペア:

[(1, 638631798), (2, 319315899), (3, 212877266), (6, 106438633), (7, 91233114), (14, 45616557), (21, 30411038), (42, 15205519), (49, 13033302), (98, 6516651), (147, 4344434), (294, 2172217), (401, 1592598), (802, 796299), (1203, 530866), (2406, 265433), (2807, 227514), (5417, 117894), (5614, 113757), (8421, 75838), (10834, 58947), (16251, 39298), (16842, 37919), (19649, 32502)]