81891628

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{224977}}^1$

素因数の和:225001

約数の個数: 24

約数和(自身を含む): 176382752

約数和(自身を除く): 94491124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 224977, 449954, 899908, 1574839, 2924701, 3149678, 5849402, 6299356, 11698804, 20472907, 40945814, 81891628]

約数ペア:

[(1, 81891628), (2, 40945814), (4, 20472907), (7, 11698804), (13, 6299356), (14, 5849402), (26, 3149678), (28, 2924701), (52, 1574839), (91, 899908), (182, 449954), (364, 224977)]