81979235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 110315520

約数和(自身を除く): 28336285

約数列:

[1, 5, 13, 37, 65, 89, 185, 383, 445, 481, 1157, 1915, 2405, 3293, 4979, 5785, 14171, 16465, 24895, 34087, 42809, 70855, 170435, 184223, 214045, 443131, 921115, 1261219, 2215655, 6306095, 16395847, 81979235]

約数ペア:

[(1, 81979235), (5, 16395847), (13, 6306095), (37, 2215655), (65, 1261219), (89, 921115), (185, 443131), (383, 214045), (445, 184223), (481, 170435), (1157, 70855), (1915, 42809), (2405, 34087), (3293, 24895), (4979, 16465), (5785, 14171)]