81611290

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{397}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 150128784

約数和(自身を除く): 68517494

約数列:

[1, 2, 5, 10, 61, 122, 305, 337, 397, 610, 674, 794, 1685, 1985, 3370, 3970, 20557, 24217, 41114, 48434, 102785, 121085, 133789, 205570, 242170, 267578, 668945, 1337890, 8161129, 16322258, 40805645, 81611290]

約数ペア:

[(1, 81611290), (2, 40805645), (5, 16322258), (10, 8161129), (61, 1337890), (122, 668945), (305, 267578), (337, 242170), (397, 205570), (610, 133789), (674, 121085), (794, 102785), (1685, 48434), (1985, 41114), (3370, 24217), (3970, 20557)]