28990180407

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{277}}^1\times {\mathrm{2143}}^1$

素因数の和:2719

約数の個数: 32

約数和(自身を含む): 39519305728

約数和(自身を除く): 10529125321

約数列:

[1, 3, 73, 219, 223, 277, 669, 831, 2143, 6429, 16279, 20221, 48837, 60663, 61771, 156439, 185313, 469317, 477889, 593611, 1433667, 1780833, 4509283, 13527849, 34885897, 43333603, 104657691, 130000809, 132375253, 397125759, 9663393469, 28990180407]

約数ペア:

[(1, 28990180407), (3, 9663393469), (73, 397125759), (219, 132375253), (223, 130000809), (277, 104657691), (669, 43333603), (831, 34885897), (2143, 13527849), (6429, 4509283), (16279, 1780833), (20221, 1433667), (48837, 593611), (60663, 477889), (61771, 469317), (156439, 185313)]