40174418

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1\times {\mathrm{571}}^1$

素因数の和:977

約数の個数: 16

約数和(自身を含む): 61062144

約数和(自身を除く): 20887726

約数列:

[1, 2, 127, 254, 277, 554, 571, 1142, 35179, 70358, 72517, 145034, 158167, 316334, 20087209, 40174418]

約数ペア:

[(1, 40174418), (2, 20087209), (127, 316334), (254, 158167), (277, 145034), (554, 72517), (571, 70358), (1142, 35179)]