81869830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{8537}}^1$

素因数の和:8688

約数の個数: 32

約数和(自身を含む): 169667136

約数和(自身を除く): 87797306

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 4795, 8537, 9590, 17074, 42685, 59759, 85370, 119518, 298795, 597590, 1169569, 2339138, 5847845, 8186983, 11695690, 16373966, 40934915, 81869830]

約数ペア:

[(1, 81869830), (2, 40934915), (5, 16373966), (7, 11695690), (10, 8186983), (14, 5847845), (35, 2339138), (70, 1169569), (137, 597590), (274, 298795), (685, 119518), (959, 85370), (1370, 59759), (1918, 42685), (4795, 17074), (8537, 9590)]