223516139

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2069}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 295695360

約数和(自身を除く): 72179221

約数列:

[1, 7, 11, 23, 61, 77, 161, 253, 427, 671, 1403, 1771, 2069, 4697, 9821, 14483, 15433, 22759, 47587, 108031, 126209, 159313, 333109, 523457, 883463, 1388299, 2902807, 3664199, 9718093, 20319649, 31930877, 223516139]

約数ペア:

[(1, 223516139), (7, 31930877), (11, 20319649), (23, 9718093), (61, 3664199), (77, 2902807), (161, 1388299), (253, 883463), (427, 523457), (671, 333109), (1403, 159313), (1771, 126209), (2069, 108031), (4697, 47587), (9821, 22759), (14483, 15433)]