81955636

素因数分解:

$2^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{2417}}^1$

素因数の和:2608

約数の個数: 36

約数和(自身を含む): 167872068

約数和(自身を除く): 85916432

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 173, 196, 346, 692, 1211, 2417, 2422, 4834, 4844, 8477, 9668, 16919, 16954, 33838, 33908, 67676, 118433, 236866, 418141, 473732, 836282, 1672564, 2926987, 5853974, 11707948, 20488909, 40977818, 81955636]

約数ペア:

[(1, 81955636), (2, 40977818), (4, 20488909), (7, 11707948), (14, 5853974), (28, 2926987), (49, 1672564), (98, 836282), (173, 473732), (196, 418141), (346, 236866), (692, 118433), (1211, 67676), (2417, 33908), (2422, 33838), (4834, 16954), (4844, 16919), (8477, 9668)]