1281227518

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{27259}}^1$

素因数の和:27663

約数の個数: 16

約数和(自身を含む): 1954869120

約数和(自身を除く): 673641602

約数列:

[1, 2, 71, 142, 331, 662, 23501, 27259, 47002, 54518, 1935389, 3870778, 9022729, 18045458, 640613759, 1281227518]

約数ペア:

[(1, 1281227518), (2, 640613759), (71, 18045458), (142, 9022729), (331, 3870778), (662, 1935389), (23501, 54518), (27259, 47002)]