28290290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{13037}}^1$

素因数の和:13082

約数の個数: 32

約数和(自身を含む): 60079104

約数和(自身を除く): 31788814

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 13037, 26074, 65185, 91259, 130370, 182518, 404147, 456295, 808294, 912590, 2020735, 2829029, 4041470, 5658058, 14145145, 28290290]

約数ペア:

[(1, 28290290), (2, 14145145), (5, 5658058), (7, 4041470), (10, 2829029), (14, 2020735), (31, 912590), (35, 808294), (62, 456295), (70, 404147), (155, 182518), (217, 130370), (310, 91259), (434, 65185), (1085, 26074), (2170, 13037)]