256788888

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{1423}}^1$

素因数の和:1608

約数の個数: 64

約数和(自身を含む): 657546240

約数和(自身を除く): 400757352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 103, 146, 206, 219, 292, 309, 412, 438, 584, 618, 824, 876, 1236, 1423, 1752, 2472, 2846, 4269, 5692, 7519, 8538, 11384, 15038, 17076, 22557, 30076, 34152, 45114, 60152, 90228, 103879, 146569, 180456, 207758, 293138, 311637, 415516, 439707, 586276, 623274, 831032, 879414, 1172552, 1246548, 1758828, 2493096, 3517656, 10699537, 21399074, 32098611, 42798148, 64197222, 85596296, 128394444, 256788888]

約数ペア:

[(1, 256788888), (2, 128394444), (3, 85596296), (4, 64197222), (6, 42798148), (8, 32098611), (12, 21399074), (24, 10699537), (73, 3517656), (103, 2493096), (146, 1758828), (206, 1246548), (219, 1172552), (292, 879414), (309, 831032), (412, 623274), (438, 586276), (584, 439707), (618, 415516), (824, 311637), (876, 293138), (1236, 207758), (1423, 180456), (1752, 146569), (2472, 103879), (2846, 90228), (4269, 60152), (5692, 45114), (7519, 34152), (8538, 30076), (11384, 22557), (15038, 17076)]