28163090

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 52054704

約数和(自身を除く): 23891614

約数列:

[1, 2, 5, 10, 61, 122, 137, 274, 305, 337, 610, 674, 685, 1370, 1685, 3370, 8357, 16714, 20557, 41114, 41785, 46169, 83570, 92338, 102785, 205570, 230845, 461690, 2816309, 5632618, 14081545, 28163090]

約数ペア:

[(1, 28163090), (2, 14081545), (5, 5632618), (10, 2816309), (61, 461690), (122, 230845), (137, 205570), (274, 102785), (305, 92338), (337, 83570), (610, 46169), (674, 41785), (685, 41114), (1370, 20557), (1685, 16714), (3370, 8357)]