71975090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15959}}^1$

素因数の和:16018

約数の個数: 32

約数和(自身を含む): 144789120

約数和(自身を除く): 72814030

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 15959, 31918, 79795, 159590, 175549, 351098, 654319, 877745, 1308638, 1755490, 3271595, 6543190, 7197509, 14395018, 35987545, 71975090]

約数ペア:

[(1, 71975090), (2, 35987545), (5, 14395018), (10, 7197509), (11, 6543190), (22, 3271595), (41, 1755490), (55, 1308638), (82, 877745), (110, 654319), (205, 351098), (410, 175549), (451, 159590), (902, 79795), (2255, 31918), (4510, 15959)]