81490214

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{557}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 140053536

約数和(自身を除く): 58563322

約数列:

[1, 2, 13, 17, 26, 34, 221, 331, 442, 557, 662, 1114, 4303, 5627, 7241, 8606, 9469, 11254, 14482, 18938, 73151, 123097, 146302, 184367, 246194, 368734, 2396771, 3134239, 4793542, 6268478, 40745107, 81490214]

約数ペア:

[(1, 81490214), (2, 40745107), (13, 6268478), (17, 4793542), (26, 3134239), (34, 2396771), (221, 368734), (331, 246194), (442, 184367), (557, 146302), (662, 123097), (1114, 73151), (4303, 18938), (5627, 14482), (7241, 11254), (8606, 9469)]