81401084

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{2239}}^1$

素因数の和:2453

約数の個数: 24

約数和(自身を含む): 145824000

約数和(自身を除く): 64422916

約数列:

[1, 2, 4, 61, 122, 149, 244, 298, 596, 2239, 4478, 8956, 9089, 18178, 36356, 136579, 273158, 333611, 546316, 667222, 1334444, 20350271, 40700542, 81401084]

約数ペア:

[(1, 81401084), (2, 40700542), (4, 20350271), (61, 1334444), (122, 667222), (149, 546316), (244, 333611), (298, 273158), (596, 136579), (2239, 36356), (4478, 18178), (8956, 9089)]