40387942

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{77969}}^1$

素因数の和:78015

約数の個数: 16

約数和(自身を含む): 71108640

約数和(自身を除く): 30720698

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 77969, 155938, 545783, 1091566, 2884853, 5769706, 20193971, 40387942]

約数ペア:

[(1, 40387942), (2, 20193971), (7, 5769706), (14, 2884853), (37, 1091566), (74, 545783), (259, 155938), (518, 77969)]