664691838

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{613}}^1\times {\mathrm{1423}}^1$

素因数の和:2168

約数の個数: 32

約数和(自身を含む): 1342980096

約数和(自身を除く): 678288258

約数列:

[1, 2, 3, 6, 127, 254, 381, 613, 762, 1226, 1423, 1839, 2846, 3678, 4269, 8538, 77851, 155702, 180721, 233553, 361442, 467106, 542163, 872299, 1084326, 1744598, 2616897, 5233794, 110781973, 221563946, 332345919, 664691838]

約数ペア:

[(1, 664691838), (2, 332345919), (3, 221563946), (6, 110781973), (127, 5233794), (254, 2616897), (381, 1744598), (613, 1084326), (762, 872299), (1226, 542163), (1423, 467106), (1839, 361442), (2846, 233553), (3678, 180721), (4269, 155702), (8538, 77851)]