201640564966

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{20647201}}^1$

素因数の和:20647479

約数の個数: 16

約数和(自身を含む): 319618686960

約数和(自身を除く): 117978121994

約数列:

[1, 2, 19, 38, 257, 514, 4883, 9766, 20647201, 41294402, 392296819, 784593638, 5306330657, 10612661314, 100820282483, 201640564966]

約数ペア:

[(1, 201640564966), (2, 100820282483), (19, 10612661314), (38, 5306330657), (257, 784593638), (514, 392296819), (4883, 41294402), (9766, 20647201)]