208794145

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 309408768

約数和(自身を除く): 100614623

約数列:

[1, 5, 7, 31, 35, 37, 49, 155, 185, 217, 245, 259, 743, 1085, 1147, 1295, 1519, 1813, 3715, 5201, 5735, 7595, 8029, 9065, 23033, 26005, 27491, 36407, 40145, 56203, 115165, 137455, 161231, 182035, 192437, 281015, 806155, 852221, 962185, 1128617, 1347059, 4261105, 5643085, 5965547, 6735295, 29827735, 41758829, 208794145]

約数ペア:

[(1, 208794145), (5, 41758829), (7, 29827735), (31, 6735295), (35, 5965547), (37, 5643085), (49, 4261105), (155, 1347059), (185, 1128617), (217, 962185), (245, 852221), (259, 806155), (743, 281015), (1085, 192437), (1147, 182035), (1295, 161231), (1519, 137455), (1813, 115165), (3715, 56203), (5201, 40145), (5735, 36407), (7595, 27491), (8029, 26005), (9065, 23033)]