1256582210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311807}}^1$

素因数の和:311858

約数の個数: 32

約数和(自身を含む): 2514419712

約数和(自身を除く): 1257837502

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 311807, 623614, 1559035, 3118070, 4053491, 8106982, 9666017, 19332034, 20267455, 40534910, 48330085, 96660170, 125658221, 251316442, 628291105, 1256582210]

約数ペア:

[(1, 1256582210), (2, 628291105), (5, 251316442), (10, 125658221), (13, 96660170), (26, 48330085), (31, 40534910), (62, 20267455), (65, 19332034), (130, 9666017), (155, 8106982), (310, 4053491), (403, 3118070), (806, 1559035), (2015, 623614), (4030, 311807)]