311915978

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{9839}}^1$

素因数の和:9994

約数の個数: 24

約数和(自身を含む): 518253120

約数和(自身を除く): 206337142

約数列:

[1, 2, 11, 22, 121, 131, 242, 262, 1441, 2882, 9839, 15851, 19678, 31702, 108229, 216458, 1190519, 1288909, 2381038, 2577818, 14177999, 28355998, 155957989, 311915978]

約数ペア:

[(1, 311915978), (2, 155957989), (11, 28355998), (22, 14177999), (121, 2577818), (131, 2381038), (242, 1288909), (262, 1190519), (1441, 216458), (2882, 108229), (9839, 31702), (15851, 19678)]