643189246

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1\times {\mathrm{1319}}^1$

素因数の和:1960

約数の個数: 32

約数和(自身を含む): 1123499520

約数和(自身を除く): 480310274

約数列:

[1, 2, 7, 14, 61, 122, 427, 571, 854, 1142, 1319, 2638, 3997, 7994, 9233, 18466, 34831, 69662, 80459, 160918, 243817, 487634, 563213, 753149, 1126426, 1506298, 5272043, 10544086, 45942089, 91884178, 321594623, 643189246]

約数ペア:

[(1, 643189246), (2, 321594623), (7, 91884178), (14, 45942089), (61, 10544086), (122, 5272043), (427, 1506298), (571, 1126426), (854, 753149), (1142, 563213), (1319, 487634), (2638, 243817), (3997, 160918), (7994, 80459), (9233, 69662), (18466, 34831)]