28555690

素因数分解:

$2^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{4373}}^1$

素因数の和:5033

約数の個数: 16

約数和(自身を含む): 51490728

約数和(自身を除く): 22935038

約数列:

[1, 2, 5, 10, 653, 1306, 3265, 4373, 6530, 8746, 21865, 43730, 2855569, 5711138, 14277845, 28555690]

約数ペア:

[(1, 28555690), (2, 14277845), (5, 5711138), (10, 2855569), (653, 43730), (1306, 21865), (3265, 8746), (4373, 6530)]