420341978

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{42709}}^1$

素因数の和:42774

約数の個数: 32

約数和(自身を含む): 779030400

約数和(自身を除く): 358688422

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 259, 266, 518, 703, 1406, 4921, 9842, 42709, 85418, 298963, 597926, 811471, 1580233, 1622942, 3160466, 5680297, 11061631, 11360594, 22123262, 30024427, 60048854, 210170989, 420341978]

約数ペア:

[(1, 420341978), (2, 210170989), (7, 60048854), (14, 30024427), (19, 22123262), (37, 11360594), (38, 11061631), (74, 5680297), (133, 3160466), (259, 1622942), (266, 1580233), (518, 811471), (703, 597926), (1406, 298963), (4921, 85418), (9842, 42709)]