28001256

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^2\times {\mathrm{631}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 71782560

約数和(自身を除く): 43781304

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 631, 1032, 1262, 1849, 1893, 2524, 3698, 3786, 5048, 5547, 7396, 7572, 11094, 14792, 15144, 22188, 27133, 44376, 54266, 81399, 108532, 162798, 217064, 325596, 651192, 1166719, 2333438, 3500157, 4666876, 7000314, 9333752, 14000628, 28001256]

約数ペア:

[(1, 28001256), (2, 14000628), (3, 9333752), (4, 7000314), (6, 4666876), (8, 3500157), (12, 2333438), (24, 1166719), (43, 651192), (86, 325596), (129, 217064), (172, 162798), (258, 108532), (344, 81399), (516, 54266), (631, 44376), (1032, 27133), (1262, 22188), (1849, 15144), (1893, 14792), (2524, 11094), (3698, 7572), (3786, 7396), (5048, 5547)]