1980750002

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{8501}}^1$

素因数の和:8627

約数の個数: 64

約数和(自身を含む): 3966693120

約数和(自身を除く): 1985943118

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 89, 119, 154, 178, 187, 238, 374, 623, 979, 1246, 1309, 1513, 1958, 2618, 3026, 6853, 8501, 10591, 13706, 16643, 17002, 21182, 33286, 59507, 93511, 116501, 119014, 144517, 187022, 233002, 289034, 654577, 756589, 1011619, 1309154, 1513178, 1589687, 2023238, 3179374, 5296123, 8322479, 10592246, 11127809, 12862013, 16644958, 22255618, 25724026, 58257353, 90034091, 116514706, 141482143, 180068182, 282964286, 990375001, 1980750002]

約数ペア:

[(1, 1980750002), (2, 990375001), (7, 282964286), (11, 180068182), (14, 141482143), (17, 116514706), (22, 90034091), (34, 58257353), (77, 25724026), (89, 22255618), (119, 16644958), (154, 12862013), (178, 11127809), (187, 10592246), (238, 8322479), (374, 5296123), (623, 3179374), (979, 2023238), (1246, 1589687), (1309, 1513178), (1513, 1309154), (1958, 1011619), (2618, 756589), (3026, 654577), (6853, 289034), (8501, 233002), (10591, 187022), (13706, 144517), (16643, 119014), (17002, 116501), (21182, 93511), (33286, 59507)]