247239818

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{29983}}^1$

素因数の和:30042

約数の個数: 32

約数和(自身を含む): 460554240

約数和(自身を除く): 213314422

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 434, 589, 1178, 4123, 8246, 29983, 59966, 209881, 419762, 569677, 929473, 1139354, 1858946, 3987739, 6506311, 7975478, 13012622, 17659987, 35319974, 123619909, 247239818]

約数ペア:

[(1, 247239818), (2, 123619909), (7, 35319974), (14, 17659987), (19, 13012622), (31, 7975478), (38, 6506311), (62, 3987739), (133, 1858946), (217, 1139354), (266, 929473), (434, 569677), (589, 419762), (1178, 209881), (4123, 59966), (8246, 29983)]