12921428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 26417664

約数和(自身を除く): 13496236

約数列:

[1, 2, 4, 13, 17, 26, 34, 47, 52, 68, 94, 188, 221, 311, 442, 611, 622, 799, 884, 1222, 1244, 1598, 2444, 3196, 4043, 5287, 8086, 10387, 10574, 14617, 16172, 20774, 21148, 29234, 41548, 58468, 68731, 137462, 190021, 248489, 274924, 380042, 496978, 760084, 993956, 3230357, 6460714, 12921428]

約数ペア:

[(1, 12921428), (2, 6460714), (4, 3230357), (13, 993956), (17, 760084), (26, 496978), (34, 380042), (47, 274924), (52, 248489), (68, 190021), (94, 137462), (188, 68731), (221, 58468), (311, 41548), (442, 29234), (611, 21148), (622, 20774), (799, 16172), (884, 14617), (1222, 10574), (1244, 10387), (1598, 8086), (2444, 5287), (3196, 4043)]