64742576

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{212969}}^1$

素因数の和:212996

約数の個数: 20

約数和(自身を含む): 132041400

約数和(自身を除く): 67298824

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 212969, 425938, 851876, 1703752, 3407504, 4046411, 8092822, 16185644, 32371288, 64742576]

約数ペア:

[(1, 64742576), (2, 32371288), (4, 16185644), (8, 8092822), (16, 4046411), (19, 3407504), (38, 1703752), (76, 851876), (152, 425938), (304, 212969)]