40663638

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 91181376

約数和(自身を除く): 50517738

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 107, 129, 214, 258, 321, 387, 491, 642, 774, 963, 982, 1473, 1926, 2946, 4419, 4601, 8838, 9202, 13803, 21113, 27606, 41409, 42226, 52537, 63339, 82818, 105074, 126678, 157611, 190017, 315222, 380034, 472833, 945666, 2259091, 4518182, 6777273, 13554546, 20331819, 40663638]

約数ペア:

[(1, 40663638), (2, 20331819), (3, 13554546), (6, 6777273), (9, 4518182), (18, 2259091), (43, 945666), (86, 472833), (107, 380034), (129, 315222), (214, 190017), (258, 157611), (321, 126678), (387, 105074), (491, 82818), (642, 63339), (774, 52537), (963, 42226), (982, 41409), (1473, 27606), (1926, 21113), (2946, 13803), (4419, 9202), (4601, 8838)]