258399316

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{2543}}^1$

素因数の和:2764

約数の個数: 48

約数和(自身を含む): 547061760

約数和(自身を除く): 288662444

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 191, 266, 382, 532, 764, 1337, 2543, 2674, 3629, 5086, 5348, 7258, 10172, 14516, 17801, 25403, 35602, 48317, 50806, 71204, 96634, 101612, 193268, 338219, 485713, 676438, 971426, 1352876, 1942852, 3399991, 6799982, 9228547, 13599964, 18457094, 36914188, 64599829, 129199658, 258399316]

約数ペア:

[(1, 258399316), (2, 129199658), (4, 64599829), (7, 36914188), (14, 18457094), (19, 13599964), (28, 9228547), (38, 6799982), (76, 3399991), (133, 1942852), (191, 1352876), (266, 971426), (382, 676438), (532, 485713), (764, 338219), (1337, 193268), (2543, 101612), (2674, 96634), (3629, 71204), (5086, 50806), (5348, 48317), (7258, 35602), (10172, 25403), (14516, 17801)]