13257478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 23063040

約数和(自身を除く): 9805562

約数列:

[1, 2, 13, 19, 26, 38, 47, 94, 247, 494, 571, 611, 893, 1142, 1222, 1786, 7423, 10849, 11609, 14846, 21698, 23218, 26837, 53674, 141037, 282074, 348881, 509903, 697762, 1019806, 6628739, 13257478]

約数ペア:

[(1, 13257478), (2, 6628739), (13, 1019806), (19, 697762), (26, 509903), (38, 348881), (47, 282074), (94, 141037), (247, 53674), (494, 26837), (571, 23218), (611, 21698), (893, 14846), (1142, 11609), (1222, 10849), (1786, 7423)]