1640803888

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{1057219}}^1$

素因数の和:1057324

約数の個数: 20

約数和(自身を含む): 3211834360

約数和(自身を除く): 1571030472

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 1057219, 2114438, 4228876, 8457752, 16915504, 102550243, 205100486, 410200972, 820401944, 1640803888]

約数ペア:

[(1, 1640803888), (2, 820401944), (4, 410200972), (8, 205100486), (16, 102550243), (97, 16915504), (194, 8457752), (388, 4228876), (776, 2114438), (1552, 1057219)]