72878224

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{239731}}^1$

素因数の和:239758

約数の個数: 20

約数和(自身を含む): 148633840

約数和(自身を除く): 75755616

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 239731, 479462, 958924, 1917848, 3835696, 4554889, 9109778, 18219556, 36439112, 72878224]

約数ペア:

[(1, 72878224), (2, 36439112), (4, 18219556), (8, 9109778), (16, 4554889), (19, 3835696), (38, 1917848), (76, 958924), (152, 479462), (304, 239731)]