222669136

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{323647}}^1$

素因数の和:323698

約数の個数: 20

約数和(自身を含む): 441455872

約数和(自身を除く): 218786736

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 323647, 647294, 1294588, 2589176, 5178352, 13916821, 27833642, 55667284, 111334568, 222669136]

約数ペア:

[(1, 222669136), (2, 111334568), (4, 55667284), (8, 27833642), (16, 13916821), (43, 5178352), (86, 2589176), (172, 1294588), (344, 647294), (688, 323647)]