217420854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{304511}}^1$

素因数の和:304540

約数の個数: 32

約数和(自身を含む): 526196736

約数和(自身を除く): 308775882

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 304511, 609022, 913533, 1827066, 2131577, 4263154, 5176687, 6394731, 10353374, 12789462, 15530061, 31060122, 36236809, 72473618, 108710427, 217420854]

約数ペア:

[(1, 217420854), (2, 108710427), (3, 72473618), (6, 36236809), (7, 31060122), (14, 15530061), (17, 12789462), (21, 10353374), (34, 6394731), (42, 5176687), (51, 4263154), (102, 2131577), (119, 1827066), (238, 913533), (357, 609022), (714, 304511)]