26686205

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 13230595

約数列:

[1, 5, 7, 13, 35, 65, 89, 91, 445, 455, 623, 659, 1157, 3115, 3295, 4613, 5785, 8099, 8567, 23065, 40495, 42835, 58651, 59969, 293255, 299845, 410557, 762463, 2052785, 3812315, 5337241, 26686205]

約数ペア:

[(1, 26686205), (5, 5337241), (7, 3812315), (13, 2052785), (35, 762463), (65, 410557), (89, 299845), (91, 293255), (445, 59969), (455, 58651), (623, 42835), (659, 40495), (1157, 23065), (3115, 8567), (3295, 8099), (4613, 5785)]