8640954

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 22221108

約数和(自身を除く): 13580154

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 97, 98, 101, 126, 147, 194, 202, 291, 294, 303, 441, 582, 606, 679, 707, 873, 882, 909, 1358, 1414, 1746, 1818, 2037, 2121, 4074, 4242, 4753, 4949, 6111, 6363, 9506, 9797, 9898, 12222, 12726, 14259, 14847, 19594, 28518, 29391, 29694, 42777, 44541, 58782, 68579, 85554, 88173, 89082, 137158, 176346, 205737, 411474, 480053, 617211, 960106, 1234422, 1440159, 2880318, 4320477, 8640954]

約数ペア:

[(1, 8640954), (2, 4320477), (3, 2880318), (6, 1440159), (7, 1234422), (9, 960106), (14, 617211), (18, 480053), (21, 411474), (42, 205737), (49, 176346), (63, 137158), (97, 89082), (98, 88173), (101, 85554), (126, 68579), (147, 58782), (194, 44541), (202, 42777), (291, 29694), (294, 29391), (303, 28518), (441, 19594), (582, 14847), (606, 14259), (679, 12726), (707, 12222), (873, 9898), (882, 9797), (909, 9506), (1358, 6363), (1414, 6111), (1746, 4949), (1818, 4753), (2037, 4242), (2121, 4074)]