265004545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 353928960

約数和(自身を除く): 88924415

約数列:

[1, 5, 13, 37, 65, 185, 251, 439, 481, 1255, 2195, 2405, 3263, 5707, 9287, 16243, 16315, 28535, 46435, 81215, 110189, 120731, 211159, 550945, 603655, 1055795, 1432457, 4076993, 7162285, 20384965, 53000909, 265004545]

約数ペア:

[(1, 265004545), (5, 53000909), (13, 20384965), (37, 7162285), (65, 4076993), (185, 1432457), (251, 1055795), (439, 603655), (481, 550945), (1255, 211159), (2195, 120731), (2405, 110189), (3263, 81215), (5707, 46435), (9287, 28535), (16243, 16315)]