256985844

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{163477}}^1$

素因数の和:163615

約数の個数: 24

約数和(自身を含む): 604214688

約数和(自身を除く): 347228844

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 163477, 326954, 490431, 653908, 980862, 1961724, 21415487, 42830974, 64246461, 85661948, 128492922, 256985844]

約数ペア:

[(1, 256985844), (2, 128492922), (3, 85661948), (4, 64246461), (6, 42830974), (12, 21415487), (131, 1961724), (262, 980862), (393, 653908), (524, 490431), (786, 326954), (1572, 163477)]