807728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2657}}^1$

素因数の和:2684

約数の個数: 20

約数和(自身を含む): 1647960

約数和(自身を除く): 840232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2657, 5314, 10628, 21256, 42512, 50483, 100966, 201932, 403864, 807728]

約数ペア:

[(1, 807728), (2, 403864), (4, 201932), (8, 100966), (16, 50483), (19, 42512), (38, 21256), (76, 10628), (152, 5314), (304, 2657)]