343460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 777336

約数和(自身を除く): 433876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1321, 2642, 5284, 6605, 13210, 17173, 26420, 34346, 68692, 85865, 171730, 343460]

約数ペア:

[(1, 343460), (2, 171730), (4, 85865), (5, 68692), (10, 34346), (13, 26420), (20, 17173), (26, 13210), (52, 6605), (65, 5284), (130, 2642), (260, 1321)]