71681290

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{1289}}^1$

素因数の和:1446

約数の個数: 32

約数和(自身を含む): 132632640

約数和(自身を除く): 60951350

約数列:

[1, 2, 5, 10, 67, 83, 134, 166, 335, 415, 670, 830, 1289, 2578, 5561, 6445, 11122, 12890, 27805, 55610, 86363, 106987, 172726, 213974, 431815, 534935, 863630, 1069870, 7168129, 14336258, 35840645, 71681290]

約数ペア:

[(1, 71681290), (2, 35840645), (5, 14336258), (10, 7168129), (67, 1069870), (83, 863630), (134, 534935), (166, 431815), (335, 213974), (415, 172726), (670, 106987), (830, 86363), (1289, 55610), (2578, 27805), (5561, 12890), (6445, 11122)]