72128944

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{4549}}^1$

素因数の和:5548

約数の個数: 20

約数和(自身を含む): 139921600

約数和(自身を除く): 67792656

約数列:

[1, 2, 4, 8, 16, 991, 1982, 3964, 4549, 7928, 9098, 15856, 18196, 36392, 72784, 4508059, 9016118, 18032236, 36064472, 72128944]

約数ペア:

[(1, 72128944), (2, 36064472), (4, 18032236), (8, 9016118), (16, 4508059), (991, 72784), (1982, 36392), (3964, 18196), (4549, 15856), (7928, 9098)]