259254736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1297}}^1$

素因数の和:1380

約数の個数: 60

約数和(自身を含む): 559388676

約数和(自身を除く): 300133940

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 961, 1297, 1612, 1922, 2594, 3224, 3844, 5188, 6448, 7688, 10376, 12493, 15376, 16861, 20752, 24986, 33722, 40207, 49972, 67444, 80414, 99944, 134888, 160828, 199888, 269776, 321656, 522691, 643312, 1045382, 1246417, 2090764, 2492834, 4181528, 4985668, 8363056, 9971336, 16203421, 19942672, 32406842, 64813684, 129627368, 259254736]

約数ペア:

[(1, 259254736), (2, 129627368), (4, 64813684), (8, 32406842), (13, 19942672), (16, 16203421), (26, 9971336), (31, 8363056), (52, 4985668), (62, 4181528), (104, 2492834), (124, 2090764), (208, 1246417), (248, 1045382), (403, 643312), (496, 522691), (806, 321656), (961, 269776), (1297, 199888), (1612, 160828), (1922, 134888), (2594, 99944), (3224, 80414), (3844, 67444), (5188, 49972), (6448, 40207), (7688, 33722), (10376, 24986), (12493, 20752), (15376, 16861)]