13247988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 33558336

約数和(自身を除く): 20310348

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 163, 326, 489, 521, 652, 978, 1042, 1563, 1956, 2084, 2119, 3126, 4238, 6252, 6357, 6773, 8476, 12714, 13546, 20319, 25428, 27092, 40638, 81276, 84923, 169846, 254769, 339692, 509538, 1019076, 1103999, 2207998, 3311997, 4415996, 6623994, 13247988]

約数ペア:

[(1, 13247988), (2, 6623994), (3, 4415996), (4, 3311997), (6, 2207998), (12, 1103999), (13, 1019076), (26, 509538), (39, 339692), (52, 254769), (78, 169846), (156, 84923), (163, 81276), (326, 40638), (489, 27092), (521, 25428), (652, 20319), (978, 13546), (1042, 12714), (1563, 8476), (1956, 6773), (2084, 6357), (2119, 6252), (3126, 4238)]