208658916

素因数分解:

$2^2\times 3^4\times {\mathrm{644009}}^1$

素因数の和:644025

約数の個数: 30

約数和(自身を含む): 545476470

約数和(自身を除く): 336817554

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 644009, 1288018, 1932027, 2576036, 3864054, 5796081, 7728108, 11592162, 17388243, 23184324, 34776486, 52164729, 69552972, 104329458, 208658916]

約数ペア:

[(1, 208658916), (2, 104329458), (3, 69552972), (4, 52164729), (6, 34776486), (9, 23184324), (12, 17388243), (18, 11592162), (27, 7728108), (36, 5796081), (54, 3864054), (81, 2576036), (108, 1932027), (162, 1288018), (324, 644009)]