81779335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 110753280

約数和(自身を除く): 28973945

約数列:

[1, 5, 11, 43, 55, 151, 215, 229, 473, 755, 1145, 1661, 2365, 2519, 6493, 8305, 9847, 12595, 32465, 34579, 49235, 71423, 108317, 172895, 357115, 380369, 541585, 1486897, 1901845, 7434485, 16355867, 81779335]

約数ペア:

[(1, 81779335), (5, 16355867), (11, 7434485), (43, 1901845), (55, 1486897), (151, 541585), (215, 380369), (229, 357115), (473, 172895), (755, 108317), (1145, 71423), (1661, 49235), (2365, 34579), (2519, 32465), (6493, 12595), (8305, 9847)]