1280452816

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{121439}}^1$

素因数の和:122106

約数の個数: 20

約数和(自身を含む): 2484662400

約数和(自身を除く): 1204209584

約数列:

[1, 2, 4, 8, 16, 659, 1318, 2636, 5272, 10544, 121439, 242878, 485756, 971512, 1943024, 80028301, 160056602, 320113204, 640226408, 1280452816]

約数ペア:

[(1, 1280452816), (2, 640226408), (4, 320113204), (8, 160056602), (16, 80028301), (659, 1943024), (1318, 971512), (2636, 485756), (5272, 242878), (10544, 121439)]