28650490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1439}}^1$

素因数の和:1638

約数の個数: 32

約数和(自身を含む): 56609280

約数和(自身を除く): 27958790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 1439, 1810, 1991, 2878, 3982, 7195, 9955, 14390, 15829, 19910, 31658, 79145, 158290, 260459, 520918, 1302295, 2604590, 2865049, 5730098, 14325245, 28650490]

約数ペア:

[(1, 28650490), (2, 14325245), (5, 5730098), (10, 2865049), (11, 2604590), (22, 1302295), (55, 520918), (110, 260459), (181, 158290), (362, 79145), (905, 31658), (1439, 19910), (1810, 15829), (1991, 14390), (2878, 9955), (3982, 7195)]