128413870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{21017}}^1$

素因数の和:21084

約数の個数: 32

約数和(自身を含む): 254233728

約数和(自身を除く): 125819858

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 6110, 21017, 42034, 105085, 210170, 273221, 546442, 987799, 1366105, 1975598, 2732210, 4938995, 9877990, 12841387, 25682774, 64206935, 128413870]

約数ペア:

[(1, 128413870), (2, 64206935), (5, 25682774), (10, 12841387), (13, 9877990), (26, 4938995), (47, 2732210), (65, 1975598), (94, 1366105), (130, 987799), (235, 546442), (470, 273221), (611, 210170), (1222, 105085), (3055, 42034), (6110, 21017)]