81889010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{8539}}^1$

素因数の和:8690

約数の個数: 32

約数和(自身を含む): 169706880

約数和(自身を除く): 87817870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 4795, 8539, 9590, 17078, 42695, 59773, 85390, 119546, 298865, 597730, 1169843, 2339686, 5849215, 8188901, 11698430, 16377802, 40944505, 81889010]

約数ペア:

[(1, 81889010), (2, 40944505), (5, 16377802), (7, 11698430), (10, 8188901), (14, 5849215), (35, 2339686), (70, 1169843), (137, 597730), (274, 298865), (685, 119546), (959, 85390), (1370, 59773), (1918, 42695), (4795, 17078), (8539, 9590)]