81858842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 147692160

約数和(自身を除く): 65833318

約数列:

[1, 2, 13, 17, 26, 34, 43, 59, 73, 86, 118, 146, 221, 442, 559, 731, 767, 949, 1003, 1118, 1241, 1462, 1534, 1898, 2006, 2482, 2537, 3139, 4307, 5074, 6278, 8614, 9503, 13039, 16133, 19006, 26078, 32266, 32981, 40807, 43129, 53363, 55991, 65962, 73219, 81614, 86258, 106726, 111982, 146438, 185201, 370402, 560677, 693719, 951847, 1121354, 1387438, 1903694, 2407613, 3148417, 4815226, 6296834, 40929421, 81858842]

約数ペア:

[(1, 81858842), (2, 40929421), (13, 6296834), (17, 4815226), (26, 3148417), (34, 2407613), (43, 1903694), (59, 1387438), (73, 1121354), (86, 951847), (118, 693719), (146, 560677), (221, 370402), (442, 185201), (559, 146438), (731, 111982), (767, 106726), (949, 86258), (1003, 81614), (1118, 73219), (1241, 65962), (1462, 55991), (1534, 53363), (1898, 43129), (2006, 40807), (2482, 32981), (2537, 32266), (3139, 26078), (4307, 19006), (5074, 16133), (6278, 13039), (8614, 9503)]