256971288

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{218513}}^1$

素因数の和:218536

約数の個数: 48

約数和(自身を含む): 747317880

約数和(自身を除く): 490346592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 218513, 437026, 655539, 874052, 1311078, 1529591, 1748104, 2622156, 3059182, 4588773, 5244312, 6118364, 9177546, 10707137, 12236728, 18355092, 21414274, 32121411, 36710184, 42828548, 64242822, 85657096, 128485644, 256971288]

約数ペア:

[(1, 256971288), (2, 128485644), (3, 85657096), (4, 64242822), (6, 42828548), (7, 36710184), (8, 32121411), (12, 21414274), (14, 18355092), (21, 12236728), (24, 10707137), (28, 9177546), (42, 6118364), (49, 5244312), (56, 4588773), (84, 3059182), (98, 2622156), (147, 1748104), (168, 1529591), (196, 1311078), (294, 874052), (392, 655539), (588, 437026), (1176, 218513)]