261330496

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^2\times {\mathrm{607}}^1$

素因数の和:688

約数の個数: 84

約数和(自身を含む): 613403904

約数和(自身を除く): 352073408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 607, 868, 961, 992, 1214, 1736, 1922, 1984, 2428, 3472, 3844, 4249, 4856, 6727, 6944, 7688, 8498, 9712, 13454, 13888, 15376, 16996, 18817, 19424, 26908, 30752, 33992, 37634, 38848, 53816, 61504, 67984, 75268, 107632, 131719, 135968, 150536, 215264, 263438, 271936, 301072, 430528, 526876, 583327, 602144, 1053752, 1166654, 1204288, 2107504, 2333308, 4083289, 4215008, 4666616, 8166578, 8430016, 9333232, 16333156, 18666464, 32666312, 37332928, 65332624, 130665248, 261330496]

約数ペア:

[(1, 261330496), (2, 130665248), (4, 65332624), (7, 37332928), (8, 32666312), (14, 18666464), (16, 16333156), (28, 9333232), (31, 8430016), (32, 8166578), (56, 4666616), (62, 4215008), (64, 4083289), (112, 2333308), (124, 2107504), (217, 1204288), (224, 1166654), (248, 1053752), (434, 602144), (448, 583327), (496, 526876), (607, 430528), (868, 301072), (961, 271936), (992, 263438), (1214, 215264), (1736, 150536), (1922, 135968), (1984, 131719), (2428, 107632), (3472, 75268), (3844, 67984), (4249, 61504), (4856, 53816), (6727, 38848), (6944, 37634), (7688, 33992), (8498, 30752), (9712, 26908), (13454, 19424), (13888, 18817), (15376, 16996)]