28717778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{12809}}^1$

素因数の和:12889

約数の個数: 16

約数和(自身を含む): 46116000

約数和(自身を除く): 17398222

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 12809, 25618, 243371, 486742, 755731, 1511462, 14358889, 28717778]

約数ペア:

[(1, 28717778), (2, 14358889), (19, 1511462), (38, 755731), (59, 486742), (118, 243371), (1121, 25618), (2242, 12809)]