389871515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{12959}}^1$

素因数の和:13522

約数の個数: 16

約数和(自身を含む): 511349760

約数和(自身を除く): 121478245

約数列:

[1, 5, 11, 55, 547, 2735, 6017, 12959, 30085, 64795, 142549, 712745, 7088573, 35442865, 77974303, 389871515]

約数ペア:

[(1, 389871515), (5, 77974303), (11, 35442865), (55, 7088573), (547, 712745), (2735, 142549), (6017, 64795), (12959, 30085)]