128838493

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 153982080

約数和(自身を除く): 25143587

約数列:

[1, 7, 49, 79, 83, 401, 553, 581, 2807, 3871, 4067, 6557, 19649, 31679, 33283, 45899, 221753, 232981, 321293, 1552271, 1630867, 2629357, 18405499, 128838493]

約数ペア:

[(1, 128838493), (7, 18405499), (49, 2629357), (79, 1630867), (83, 1552271), (401, 321293), (553, 232981), (581, 221753), (2807, 45899), (3871, 33283), (4067, 31679), (6557, 19649)]