77189128

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{491}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 148721760

約数和(自身を除く): 71532632

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 457, 491, 914, 982, 1828, 1964, 3656, 3928, 19651, 21113, 39302, 42226, 78604, 84452, 157208, 168904, 224387, 448774, 897548, 1795096, 9648641, 19297282, 38594564, 77189128]

約数ペア:

[(1, 77189128), (2, 38594564), (4, 19297282), (8, 9648641), (43, 1795096), (86, 897548), (172, 448774), (344, 224387), (457, 168904), (491, 157208), (914, 84452), (982, 78604), (1828, 42226), (1964, 39302), (3656, 21113), (3928, 19651)]