28780642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{14699}}^1$

素因数の和:14801

約数の個数: 16

約数和(自身を含む): 47628000

約数和(自身を除く): 18847358

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 14699, 29398, 161689, 323378, 1308211, 2616422, 14390321, 28780642]

約数ペア:

[(1, 28780642), (2, 14390321), (11, 2616422), (22, 1308211), (89, 323378), (178, 161689), (979, 29398), (1958, 14699)]