678259478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{5039}}^1$

素因数の和:5252

約数の個数: 32

約数和(自身を含む): 1137991680

約数和(自身を除く): 459732202

約数列:

[1, 2, 13, 26, 31, 62, 167, 334, 403, 806, 2171, 4342, 5039, 5177, 10078, 10354, 65507, 67301, 131014, 134602, 156209, 312418, 841513, 1683026, 2030717, 4061434, 10939669, 21879338, 26086903, 52173806, 339129739, 678259478]

約数ペア:

[(1, 678259478), (2, 339129739), (13, 52173806), (26, 26086903), (31, 21879338), (62, 10939669), (167, 4061434), (334, 2030717), (403, 1683026), (806, 841513), (2171, 312418), (4342, 156209), (5039, 134602), (5177, 131014), (10078, 67301), (10354, 65507)]