12720968

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{97}}^2$

素因数の和:226

約数の個数: 36

約数和(自身を含む): 26096715

約数和(自身を除く): 13375747

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 169, 194, 338, 388, 676, 776, 1261, 1352, 2522, 5044, 9409, 10088, 16393, 18818, 32786, 37636, 65572, 75272, 122317, 131144, 244634, 489268, 978536, 1590121, 3180242, 6360484, 12720968]

約数ペア:

[(1, 12720968), (2, 6360484), (4, 3180242), (8, 1590121), (13, 978536), (26, 489268), (52, 244634), (97, 131144), (104, 122317), (169, 75272), (194, 65572), (338, 37636), (388, 32786), (676, 18818), (776, 16393), (1261, 10088), (1352, 9409), (2522, 5044)]