40663847

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 51830784

約数和(自身を除く): 11166937

約数列:

[1, 7, 17, 31, 73, 119, 151, 217, 511, 527, 1057, 1241, 2263, 2567, 3689, 4681, 8687, 11023, 15841, 17969, 32767, 38471, 77161, 79577, 187391, 269297, 341713, 557039, 1311737, 2391991, 5809121, 40663847]

約数ペア:

[(1, 40663847), (7, 5809121), (17, 2391991), (31, 1311737), (73, 557039), (119, 341713), (151, 269297), (217, 187391), (511, 79577), (527, 77161), (1057, 38471), (1241, 32767), (2263, 17969), (2567, 15841), (3689, 11023), (4681, 8687)]