645954839

素因数分解:

${\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{2423}}^1$

素因数の和:2686

約数の個数: 16

約数和(自身を含む): 688338432

約数和(自身を除く): 42383593

約数列:

[1, 23, 67, 173, 1541, 2423, 3979, 11591, 55729, 162341, 266593, 419179, 3733843, 9641117, 28084993, 645954839]

約数ペア:

[(1, 645954839), (23, 28084993), (67, 9641117), (173, 3733843), (1541, 419179), (2423, 266593), (3979, 162341), (11591, 55729)]