72649045

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 102009600

約数和(自身を除く): 29360555

約数列:

[1, 5, 7, 35, 109, 137, 139, 545, 685, 695, 763, 959, 973, 3815, 4795, 4865, 14933, 15151, 19043, 74665, 75755, 95215, 104531, 106057, 133301, 522655, 530285, 666505, 2075687, 10378435, 14529809, 72649045]

約数ペア:

[(1, 72649045), (5, 14529809), (7, 10378435), (35, 2075687), (109, 666505), (137, 530285), (139, 522655), (545, 133301), (685, 106057), (695, 104531), (763, 95215), (959, 75755), (973, 74665), (3815, 19043), (4795, 15151), (4865, 14933)]