81197488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{267097}}^1$

素因数の和:267124

約数の個数: 20

約数和(自身を含む): 165600760

約数和(自身を除く): 84403272

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 267097, 534194, 1068388, 2136776, 4273552, 5074843, 10149686, 20299372, 40598744, 81197488]

約数ペア:

[(1, 81197488), (2, 40598744), (4, 20299372), (8, 10149686), (16, 5074843), (19, 4273552), (38, 2136776), (76, 1068388), (152, 534194), (304, 267097)]