12647284

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:436

約数の個数: 36

約数和(自身を含む): 24487596

約数和(自身を除く): 11840312

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 169, 212, 338, 353, 676, 689, 706, 1378, 1412, 2756, 4589, 8957, 9178, 17914, 18356, 18709, 35828, 37418, 59657, 74836, 119314, 238628, 243217, 486434, 972868, 3161821, 6323642, 12647284]

約数ペア:

[(1, 12647284), (2, 6323642), (4, 3161821), (13, 972868), (26, 486434), (52, 243217), (53, 238628), (106, 119314), (169, 74836), (212, 59657), (338, 37418), (353, 35828), (676, 18709), (689, 18356), (706, 17914), (1378, 9178), (1412, 8957), (2756, 4589)]