977991833

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{25169}}^1$

素因数の和:25257

約数の個数: 24

約数和(自身を含む): 1245310920

約数和(自身を除く): 267319087

約数列:

[1, 7, 13, 49, 61, 91, 427, 637, 793, 2989, 5551, 25169, 38857, 176183, 327197, 1233281, 1535309, 2290379, 10747163, 16032653, 19959017, 75230141, 139713119, 977991833]

約数ペア:

[(1, 977991833), (7, 139713119), (13, 75230141), (49, 19959017), (61, 16032653), (91, 10747163), (427, 2290379), (637, 1535309), (793, 1233281), (2989, 327197), (5551, 176183), (25169, 38857)]