40418638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{17467}}^1$

素因数の和:17571

約数の個数: 16

約数和(自身を含む): 66029040

約数和(自身を除く): 25610402

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 17467, 34934, 227071, 454142, 1554563, 3109126, 20209319, 40418638]

約数ペア:

[(1, 40418638), (2, 20209319), (13, 3109126), (26, 1554563), (89, 454142), (178, 227071), (1157, 34934), (2314, 17467)]