67528448

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 147315168

約数和(自身を除く): 79786720

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 103, 104, 128, 197, 206, 208, 256, 394, 412, 416, 788, 824, 832, 1339, 1576, 1648, 1664, 2561, 2678, 3152, 3296, 3328, 5122, 5356, 6304, 6592, 10244, 10712, 12608, 13184, 20291, 20488, 21424, 25216, 26368, 40582, 40976, 42848, 50432, 81164, 81952, 85696, 162328, 163904, 171392, 263783, 324656, 327808, 342784, 527566, 649312, 655616, 1055132, 1298624, 2110264, 2597248, 4220528, 5194496, 8441056, 16882112, 33764224, 67528448]

約数ペア:

[(1, 67528448), (2, 33764224), (4, 16882112), (8, 8441056), (13, 5194496), (16, 4220528), (26, 2597248), (32, 2110264), (52, 1298624), (64, 1055132), (103, 655616), (104, 649312), (128, 527566), (197, 342784), (206, 327808), (208, 324656), (256, 263783), (394, 171392), (412, 163904), (416, 162328), (788, 85696), (824, 81952), (832, 81164), (1339, 50432), (1576, 42848), (1648, 40976), (1664, 40582), (2561, 26368), (2678, 25216), (3152, 21424), (3296, 20488), (3328, 20291), (5122, 13184), (5356, 12608), (6304, 10712), (6592, 10244)]