12961936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{617}}^1$

素因数の和:739

約数の個数: 40

約数和(自身を含む): 27357624

約数和(自身を除く): 14395688

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 617, 808, 1234, 1313, 1616, 2468, 2626, 4936, 5252, 8021, 9872, 10504, 16042, 21008, 32084, 62317, 64168, 124634, 128336, 249268, 498536, 810121, 997072, 1620242, 3240484, 6480968, 12961936]

約数ペア:

[(1, 12961936), (2, 6480968), (4, 3240484), (8, 1620242), (13, 997072), (16, 810121), (26, 498536), (52, 249268), (101, 128336), (104, 124634), (202, 64168), (208, 62317), (404, 32084), (617, 21008), (808, 16042), (1234, 10504), (1313, 9872), (1616, 8021), (2468, 5252), (2626, 4936)]