208468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 415520

約数和(自身を除く): 207052

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 211, 247, 422, 494, 844, 988, 2743, 4009, 5486, 8018, 10972, 16036, 52117, 104234, 208468]

約数ペア:

[(1, 208468), (2, 104234), (4, 52117), (13, 16036), (19, 10972), (26, 8018), (38, 5486), (52, 4009), (76, 2743), (211, 988), (247, 844), (422, 494)]