40908014

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 72638976

約数和(自身を除く): 31730962

約数列:

[1, 2, 7, 14, 37, 74, 151, 259, 302, 518, 523, 1046, 1057, 2114, 3661, 5587, 7322, 11174, 19351, 38702, 39109, 78218, 78973, 135457, 157946, 270914, 552811, 1105622, 2922001, 5844002, 20454007, 40908014]

約数ペア:

[(1, 40908014), (2, 20454007), (7, 5844002), (14, 2922001), (37, 1105622), (74, 552811), (151, 270914), (259, 157946), (302, 135457), (518, 78973), (523, 78218), (1046, 39109), (1057, 38702), (2114, 19351), (3661, 11174), (5587, 7322)]