17801590

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 32845824

約数和(自身を除く): 15044234

約数列:

[1, 2, 5, 10, 107, 127, 131, 214, 254, 262, 535, 635, 655, 1070, 1270, 1310, 13589, 14017, 16637, 27178, 28034, 33274, 67945, 70085, 83185, 135890, 140170, 166370, 1780159, 3560318, 8900795, 17801590]

約数ペア:

[(1, 17801590), (2, 8900795), (5, 3560318), (10, 1780159), (107, 166370), (127, 140170), (131, 135890), (214, 83185), (254, 70085), (262, 67945), (535, 33274), (635, 28034), (655, 27178), (1070, 16637), (1270, 14017), (1310, 13589)]