638216089

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{24229}}^1$

素因数の和:24360

約数の個数: 16

約数和(自身を含む): 753649920

約数和(自身を除く): 115433831

約数列:

[1, 7, 53, 71, 371, 497, 3763, 24229, 26341, 169603, 1284137, 1720259, 8988959, 12041813, 91173727, 638216089]

約数ペア:

[(1, 638216089), (7, 91173727), (53, 12041813), (71, 8988959), (371, 1720259), (497, 1284137), (3763, 169603), (24229, 26341)]