291261616

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{20249}}^1$

素因数の和:20317

約数の個数: 40

約数和(自身を含む): 602640000

約数和(自身を除く): 311378384

約数列:

[1, 2, 4, 8, 16, 29, 31, 58, 62, 116, 124, 232, 248, 464, 496, 899, 1798, 3596, 7192, 14384, 20249, 40498, 80996, 161992, 323984, 587221, 627719, 1174442, 1255438, 2348884, 2510876, 4697768, 5021752, 9395536, 10043504, 18203851, 36407702, 72815404, 145630808, 291261616]

約数ペア:

[(1, 291261616), (2, 145630808), (4, 72815404), (8, 36407702), (16, 18203851), (29, 10043504), (31, 9395536), (58, 5021752), (62, 4697768), (116, 2510876), (124, 2348884), (232, 1255438), (248, 1174442), (464, 627719), (496, 587221), (899, 323984), (1798, 161992), (3596, 80996), (7192, 40498), (14384, 20249)]