51809618

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 99041280

約数和(自身を除く): 47231662

約数列:

[1, 2, 7, 14, 19, 31, 38, 61, 62, 103, 122, 133, 206, 217, 266, 427, 434, 589, 721, 854, 1159, 1178, 1442, 1891, 1957, 2318, 3193, 3782, 3914, 4123, 6283, 6386, 8113, 8246, 12566, 13237, 13699, 16226, 22351, 26474, 27398, 35929, 43981, 44702, 60667, 71858, 87962, 119377, 121334, 194773, 238754, 251503, 389546, 424669, 503006, 835639, 849338, 1363411, 1671278, 2726822, 3700687, 7401374, 25904809, 51809618]

約数ペア:

[(1, 51809618), (2, 25904809), (7, 7401374), (14, 3700687), (19, 2726822), (31, 1671278), (38, 1363411), (61, 849338), (62, 835639), (103, 503006), (122, 424669), (133, 389546), (206, 251503), (217, 238754), (266, 194773), (427, 121334), (434, 119377), (589, 87962), (721, 71858), (854, 60667), (1159, 44702), (1178, 43981), (1442, 35929), (1891, 27398), (1957, 26474), (2318, 22351), (3193, 16226), (3782, 13699), (3914, 13237), (4123, 12566), (6283, 8246), (6386, 8113)]