64875728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{213407}}^1$

素因数の和:213434

約数の個数: 20

約数和(自身を含む): 132312960

約数和(自身を除く): 67437232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 213407, 426814, 853628, 1707256, 3414512, 4054733, 8109466, 16218932, 32437864, 64875728]

約数ペア:

[(1, 64875728), (2, 32437864), (4, 16218932), (8, 8109466), (16, 4054733), (19, 3414512), (38, 1707256), (76, 853628), (152, 426814), (304, 213407)]