71670416

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{379}}^1$

素因数の和:663

約数の個数: 40

約数和(自身を含む): 142490880

約数和(自身を除く): 70820464

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 223, 379, 424, 446, 758, 848, 892, 1516, 1784, 3032, 3568, 6064, 11819, 20087, 23638, 40174, 47276, 80348, 84517, 94552, 160696, 169034, 189104, 321392, 338068, 676136, 1352272, 4479401, 8958802, 17917604, 35835208, 71670416]

約数ペア:

[(1, 71670416), (2, 35835208), (4, 17917604), (8, 8958802), (16, 4479401), (53, 1352272), (106, 676136), (212, 338068), (223, 321392), (379, 189104), (424, 169034), (446, 160696), (758, 94552), (848, 84517), (892, 80348), (1516, 47276), (1784, 40174), (3032, 23638), (3568, 20087), (6064, 11819)]