128248288

素因数分解:

$2^5\times 7^2\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1032

約数の個数: 72

約数和(自身を含む): 297334800

約数和(自身を除く): 169086512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 89, 98, 112, 178, 196, 224, 356, 392, 623, 712, 784, 919, 1246, 1424, 1568, 1838, 2492, 2848, 3676, 4361, 4984, 6433, 7352, 8722, 9968, 12866, 14704, 17444, 19936, 25732, 29408, 34888, 45031, 51464, 69776, 81791, 90062, 102928, 139552, 163582, 180124, 205856, 327164, 360248, 572537, 654328, 720496, 1145074, 1308656, 1440992, 2290148, 2617312, 4007759, 4580296, 8015518, 9160592, 16031036, 18321184, 32062072, 64124144, 128248288]

約数ペア:

[(1, 128248288), (2, 64124144), (4, 32062072), (7, 18321184), (8, 16031036), (14, 9160592), (16, 8015518), (28, 4580296), (32, 4007759), (49, 2617312), (56, 2290148), (89, 1440992), (98, 1308656), (112, 1145074), (178, 720496), (196, 654328), (224, 572537), (356, 360248), (392, 327164), (623, 205856), (712, 180124), (784, 163582), (919, 139552), (1246, 102928), (1424, 90062), (1568, 81791), (1838, 69776), (2492, 51464), (2848, 45031), (3676, 34888), (4361, 29408), (4984, 25732), (6433, 19936), (7352, 17444), (8722, 14704), (9968, 12866)]