72965168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{240017}}^1$

素因数の和:240044

約数の個数: 20

約数和(自身を含む): 148811160

約数和(自身を除く): 75845992

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 240017, 480034, 960068, 1920136, 3840272, 4560323, 9120646, 18241292, 36482584, 72965168]

約数ペア:

[(1, 72965168), (2, 36482584), (4, 18241292), (8, 9120646), (16, 4560323), (19, 3840272), (38, 1920136), (76, 960068), (152, 480034), (304, 240017)]