2173870544

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{643919}}^1$

素因数の和:644138

約数の個数: 20

約数和(自身を含む): 4231842240

約数和(自身を除く): 2057971696

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 643919, 1287838, 2575676, 5151352, 10302704, 135866909, 271733818, 543467636, 1086935272, 2173870544]

約数ペア:

[(1, 2173870544), (2, 1086935272), (4, 543467636), (8, 271733818), (16, 135866909), (211, 10302704), (422, 5151352), (844, 2575676), (1688, 1287838), (3376, 643919)]