25745798

素因数分解:

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

素因数の和:277

約数の個数: 36

約数和(自身を含む): 44343828

約数和(自身を除く): 18598030

約数列:

[1, 2, 13, 19, 26, 38, 169, 211, 247, 338, 361, 422, 494, 722, 2743, 3211, 4009, 4693, 5486, 6422, 8018, 9386, 35659, 52117, 61009, 71318, 76171, 104234, 122018, 152342, 677521, 990223, 1355042, 1980446, 12872899, 25745798]

約数ペア:

[(1, 25745798), (2, 12872899), (13, 1980446), (19, 1355042), (26, 990223), (38, 677521), (169, 152342), (211, 122018), (247, 104234), (338, 76171), (361, 71318), (422, 61009), (494, 52117), (722, 35659), (2743, 9386), (3211, 8018), (4009, 6422), (4693, 5486)]