391721504

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{2749}}^1$

素因数の和:2893

約数の個数: 48

約数和(自身を含む): 794871000

約数和(自身を除く): 403149496

約数列:

[1, 2, 4, 8, 16, 32, 61, 73, 122, 146, 244, 292, 488, 584, 976, 1168, 1952, 2336, 2749, 4453, 5498, 8906, 10996, 17812, 21992, 35624, 43984, 71248, 87968, 142496, 167689, 200677, 335378, 401354, 670756, 802708, 1341512, 1605416, 2683024, 3210832, 5366048, 6421664, 12241297, 24482594, 48965188, 97930376, 195860752, 391721504]

約数ペア:

[(1, 391721504), (2, 195860752), (4, 97930376), (8, 48965188), (16, 24482594), (32, 12241297), (61, 6421664), (73, 5366048), (122, 3210832), (146, 2683024), (244, 1605416), (292, 1341512), (488, 802708), (584, 670756), (976, 401354), (1168, 335378), (1952, 200677), (2336, 167689), (2749, 142496), (4453, 87968), (5498, 71248), (8906, 43984), (10996, 35624), (17812, 21992)]