3981770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 7817040

約数和(自身を除く): 3835270

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 281, 545, 562, 1090, 1405, 1417, 2810, 2834, 3653, 7085, 7306, 14170, 18265, 30629, 36530, 61258, 153145, 306290, 398177, 796354, 1990885, 3981770]

約数ペア:

[(1, 3981770), (2, 1990885), (5, 796354), (10, 398177), (13, 306290), (26, 153145), (65, 61258), (109, 36530), (130, 30629), (218, 18265), (281, 14170), (545, 7306), (562, 7085), (1090, 3653), (1405, 2834), (1417, 2810)]