209879144

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1543229}}^1$

素因数の和:1543252

約数の個数: 16

約数和(自身を含む): 416672100

約数和(自身を除く): 206792956

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1543229, 3086458, 6172916, 12345832, 26234893, 52469786, 104939572, 209879144]

約数ペア:

[(1, 209879144), (2, 104939572), (4, 52469786), (8, 26234893), (17, 12345832), (34, 6172916), (68, 3086458), (136, 1543229)]