648343551

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 902880000

約数和(自身を除く): 254536449

約数列:

[1, 3, 43, 89, 129, 149, 267, 379, 447, 1137, 3827, 6407, 11481, 13261, 16297, 19221, 33731, 39783, 48891, 56471, 101193, 169413, 570223, 1450433, 1710669, 2428253, 4351299, 5025919, 7284759, 15077757, 216114517, 648343551]

約数ペア:

[(1, 648343551), (3, 216114517), (43, 15077757), (89, 7284759), (129, 5025919), (149, 4351299), (267, 2428253), (379, 1710669), (447, 1450433), (1137, 570223), (3827, 169413), (6407, 101193), (11481, 56471), (13261, 48891), (16297, 39783), (19221, 33731)]