72231388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{857}}^1\times {\mathrm{1109}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 133333200

約数和(自身を除く): 61101812

約数列:

[1, 2, 4, 19, 38, 76, 857, 1109, 1714, 2218, 3428, 4436, 16283, 21071, 32566, 42142, 65132, 84284, 950413, 1900826, 3801652, 18057847, 36115694, 72231388]

約数ペア:

[(1, 72231388), (2, 36115694), (4, 18057847), (19, 3801652), (38, 1900826), (76, 950413), (857, 84284), (1109, 65132), (1714, 42142), (2218, 32566), (3428, 21071), (4436, 16283)]