72248215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{433}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 99743616

約数和(自身を除く): 27495401

約数列:

[1, 5, 13, 17, 65, 85, 151, 221, 433, 755, 1105, 1963, 2165, 2567, 5629, 7361, 9815, 12835, 28145, 33371, 36805, 65383, 95693, 166855, 326915, 478465, 849979, 1111511, 4249895, 5557555, 14449643, 72248215]

約数ペア:

[(1, 72248215), (5, 14449643), (13, 5557555), (17, 4249895), (65, 1111511), (85, 849979), (151, 478465), (221, 326915), (433, 166855), (755, 95693), (1105, 65383), (1963, 36805), (2165, 33371), (2567, 28145), (5629, 12835), (7361, 9815)]