89791210

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{433}}^1$

素因数の和:762

約数の個数: 32

約数和(自身を含む): 164520720

約数和(自身を除く): 74729510

約数列:

[1, 2, 5, 10, 89, 178, 233, 433, 445, 466, 866, 890, 1165, 2165, 2330, 4330, 20737, 38537, 41474, 77074, 100889, 103685, 192685, 201778, 207370, 385370, 504445, 1008890, 8979121, 17958242, 44895605, 89791210]

約数ペア:

[(1, 89791210), (2, 44895605), (5, 17958242), (10, 8979121), (89, 1008890), (178, 504445), (233, 385370), (433, 207370), (445, 201778), (466, 192685), (866, 103685), (890, 100889), (1165, 77074), (2165, 41474), (2330, 38537), (4330, 20737)]