2151566165

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{24979}}^1$

素因数の和:25121

約数の個数: 32

約数和(自身を含む): 3107911680

約数和(自身を除く): 956345515

約数列:

[1, 5, 7, 23, 35, 107, 115, 161, 535, 749, 805, 2461, 3745, 12305, 17227, 24979, 86135, 124895, 174853, 574517, 874265, 2672753, 2872585, 4021619, 13363765, 18709271, 20108095, 61473319, 93546355, 307366595, 430313233, 2151566165]

約数ペア:

[(1, 2151566165), (5, 430313233), (7, 307366595), (23, 93546355), (35, 61473319), (107, 20108095), (115, 18709271), (161, 13363765), (535, 4021619), (749, 2872585), (805, 2672753), (2461, 874265), (3745, 574517), (12305, 174853), (17227, 124895), (24979, 86135)]