81532496

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{268199}}^1$

素因数の和:268226

約数の個数: 20

約数和(自身を含む): 166284000

約数和(自身を除く): 84751504

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 268199, 536398, 1072796, 2145592, 4291184, 5095781, 10191562, 20383124, 40766248, 81532496]

約数ペア:

[(1, 81532496), (2, 40766248), (4, 20383124), (8, 10191562), (16, 5095781), (19, 4291184), (38, 2145592), (76, 1072796), (152, 536398), (304, 268199)]