28221564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19763}}^1$

素因数の和:19794

約数の個数: 48

約数和(自身を含む): 79688448

約数和(自身を除く): 51466884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 19763, 39526, 59289, 79052, 118578, 138341, 237156, 276682, 335971, 415023, 553364, 671942, 830046, 1007913, 1343884, 1660092, 2015826, 2351797, 4031652, 4703594, 7055391, 9407188, 14110782, 28221564]

約数ペア:

[(1, 28221564), (2, 14110782), (3, 9407188), (4, 7055391), (6, 4703594), (7, 4031652), (12, 2351797), (14, 2015826), (17, 1660092), (21, 1343884), (28, 1007913), (34, 830046), (42, 671942), (51, 553364), (68, 415023), (84, 335971), (102, 276682), (119, 237156), (204, 138341), (238, 118578), (357, 79052), (476, 59289), (714, 39526), (1428, 19763)]