7138642

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 13178880

約数和(自身を除く): 6040238

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 571, 658, 893, 1142, 1786, 3997, 6251, 7994, 10849, 12502, 21698, 26837, 53674, 75943, 151886, 187859, 375718, 509903, 1019806, 3569321, 7138642]

約数ペア:

[(1, 7138642), (2, 3569321), (7, 1019806), (14, 509903), (19, 375718), (38, 187859), (47, 151886), (94, 75943), (133, 53674), (266, 26837), (329, 21698), (571, 12502), (658, 10849), (893, 7994), (1142, 6251), (1786, 3997)]