265289284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 539141120

約数和(自身を除く): 273851836

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 127, 139, 221, 254, 278, 289, 442, 508, 556, 578, 884, 1156, 1651, 1807, 2159, 2363, 3302, 3614, 3757, 4318, 4726, 6604, 7228, 7514, 8636, 9452, 15028, 17653, 28067, 30719, 35306, 36703, 40171, 56134, 61438, 70612, 73406, 80342, 112268, 122876, 146812, 160684, 229489, 300101, 458978, 477139, 522223, 600202, 917956, 954278, 1044446, 1200404, 1908556, 2088892, 3901313, 5101717, 7802626, 10203434, 15605252, 20406868, 66322321, 132644642, 265289284]

約数ペア:

[(1, 265289284), (2, 132644642), (4, 66322321), (13, 20406868), (17, 15605252), (26, 10203434), (34, 7802626), (52, 5101717), (68, 3901313), (127, 2088892), (139, 1908556), (221, 1200404), (254, 1044446), (278, 954278), (289, 917956), (442, 600202), (508, 522223), (556, 477139), (578, 458978), (884, 300101), (1156, 229489), (1651, 160684), (1807, 146812), (2159, 122876), (2363, 112268), (3302, 80342), (3614, 73406), (3757, 70612), (4318, 61438), (4726, 56134), (6604, 40171), (7228, 36703), (7514, 35306), (8636, 30719), (9452, 28067), (15028, 17653)]