256763668

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{70001}}^1$

素因数の和:70143

約数の個数: 24

約数和(自身を含む): 517454784

約数和(自身を除く): 260691116

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 70001, 140002, 280004, 490007, 980014, 1960028, 9170131, 18340262, 36680524, 64190917, 128381834, 256763668]

約数ペア:

[(1, 256763668), (2, 128381834), (4, 64190917), (7, 36680524), (14, 18340262), (28, 9170131), (131, 1960028), (262, 980014), (524, 490007), (917, 280004), (1834, 140002), (3668, 70001)]