1640388

素因数分解:

$2^2\times 3^1\times {\mathrm{223}}^1\times {\mathrm{613}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 3851008

約数和(自身を除く): 2210620

約数列:

[1, 2, 3, 4, 6, 12, 223, 446, 613, 669, 892, 1226, 1338, 1839, 2452, 2676, 3678, 7356, 136699, 273398, 410097, 546796, 820194, 1640388]

約数ペア:

[(1, 1640388), (2, 820194), (3, 546796), (4, 410097), (6, 273398), (12, 136699), (223, 7356), (446, 3678), (613, 2676), (669, 2452), (892, 1839), (1226, 1338)]