128583007

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 154310400

約数和(自身を除く): 25727393

約数列:

[1, 7, 49, 59, 79, 413, 553, 563, 2891, 3871, 3941, 4661, 27587, 32627, 33217, 44477, 228389, 232519, 311339, 1627633, 2179373, 2624143, 18369001, 128583007]

約数ペア:

[(1, 128583007), (7, 18369001), (49, 2624143), (59, 2179373), (79, 1627633), (413, 311339), (553, 232519), (563, 228389), (2891, 44477), (3871, 33217), (3941, 32627), (4661, 27587)]