86969590

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{337}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 159011424

約数和(自身を除く): 72041834

約数列:

[1, 2, 5, 10, 131, 197, 262, 337, 394, 655, 674, 985, 1310, 1685, 1970, 3370, 25807, 44147, 51614, 66389, 88294, 129035, 132778, 220735, 258070, 331945, 441470, 663890, 8696959, 17393918, 43484795, 86969590]

約数ペア:

[(1, 86969590), (2, 43484795), (5, 17393918), (10, 8696959), (131, 663890), (197, 441470), (262, 331945), (337, 258070), (394, 220735), (655, 132778), (674, 129035), (985, 88294), (1310, 66389), (1685, 51614), (1970, 44147), (3370, 25807)]