28939926

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 63203328

約数和(自身を除く): 34263402

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 93, 114, 186, 361, 431, 589, 722, 862, 1083, 1178, 1293, 1767, 2166, 2586, 3534, 8189, 11191, 13361, 16378, 22382, 24567, 26722, 33573, 40083, 49134, 67146, 80166, 155591, 253859, 311182, 466773, 507718, 761577, 933546, 1523154, 4823321, 9646642, 14469963, 28939926]

約数ペア:

[(1, 28939926), (2, 14469963), (3, 9646642), (6, 4823321), (19, 1523154), (31, 933546), (38, 761577), (57, 507718), (62, 466773), (93, 311182), (114, 253859), (186, 155591), (361, 80166), (431, 67146), (589, 49134), (722, 40083), (862, 33573), (1083, 26722), (1178, 24567), (1293, 22382), (1767, 16378), (2166, 13361), (2586, 11191), (3534, 8189)]