78851216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{259379}}^1$

素因数の和:259406

約数の個数: 20

約数和(自身を含む): 160815600

約数和(自身を除く): 81964384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 259379, 518758, 1037516, 2075032, 4150064, 4928201, 9856402, 19712804, 39425608, 78851216]

約数ペア:

[(1, 78851216), (2, 39425608), (4, 19712804), (8, 9856402), (16, 4928201), (19, 4150064), (38, 2075032), (76, 1037516), (152, 518758), (304, 259379)]