286878241

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 336897792

約数和(自身を除く): 50019551

約数列:

[1, 13, 23, 43, 53, 299, 421, 559, 689, 989, 1219, 2279, 5473, 9683, 12857, 15847, 18103, 22313, 29627, 52417, 125879, 235339, 290069, 416369, 513199, 681421, 959459, 5412797, 6671587, 12472967, 22067557, 286878241]

約数ペア:

[(1, 286878241), (13, 22067557), (23, 12472967), (43, 6671587), (53, 5412797), (299, 959459), (421, 681421), (559, 513199), (689, 416369), (989, 290069), (1219, 235339), (2279, 125879), (5473, 52417), (9683, 29627), (12857, 22313), (15847, 18103)]