64840542

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1$

素因数の和:857

約数の個数: 64

約数和(自身を含む): 149022720

約数和(自身を除く): 84182178

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 47, 69, 78, 94, 138, 141, 282, 299, 598, 611, 769, 897, 1081, 1222, 1538, 1794, 1833, 2162, 2307, 3243, 3666, 4614, 6486, 9997, 14053, 17687, 19994, 28106, 29991, 35374, 36143, 42159, 53061, 59982, 72286, 84318, 106122, 108429, 216858, 229931, 459862, 469859, 689793, 831289, 939718, 1379586, 1409577, 1662578, 2493867, 2819154, 4987734, 10806757, 21613514, 32420271, 64840542]

約数ペア:

[(1, 64840542), (2, 32420271), (3, 21613514), (6, 10806757), (13, 4987734), (23, 2819154), (26, 2493867), (39, 1662578), (46, 1409577), (47, 1379586), (69, 939718), (78, 831289), (94, 689793), (138, 469859), (141, 459862), (282, 229931), (299, 216858), (598, 108429), (611, 106122), (769, 84318), (897, 72286), (1081, 59982), (1222, 53061), (1538, 42159), (1794, 36143), (1833, 35374), (2162, 29991), (2307, 28106), (3243, 19994), (3666, 17687), (4614, 14053), (6486, 9997)]