1490272889

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 1795571712

約数和(自身を除く): 305298823

約数列:

[1, 7, 31, 71, 197, 217, 491, 497, 1379, 2201, 3437, 6107, 13987, 15221, 15407, 34861, 42749, 96727, 97909, 106547, 244027, 433597, 677089, 1080691, 2998537, 3035179, 6867617, 7564837, 20989759, 48073319, 212896127, 1490272889]

約数ペア:

[(1, 1490272889), (7, 212896127), (31, 48073319), (71, 20989759), (197, 7564837), (217, 6867617), (491, 3035179), (497, 2998537), (1379, 1080691), (2201, 677089), (3437, 433597), (6107, 244027), (13987, 106547), (15221, 97909), (15407, 96727), (34861, 42749)]