31551335

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 41140224

約数和(自身を除く): 9588889

約数列:

[1, 5, 31, 47, 61, 71, 155, 235, 305, 355, 1457, 1891, 2201, 2867, 3337, 4331, 7285, 9455, 11005, 14335, 16685, 21655, 88877, 103447, 134261, 203557, 444385, 517235, 671305, 1017785, 6310267, 31551335]

約数ペア:

[(1, 31551335), (5, 6310267), (31, 1017785), (47, 671305), (61, 517235), (71, 444385), (155, 203557), (235, 134261), (305, 103447), (355, 88877), (1457, 21655), (1891, 16685), (2201, 14335), (2867, 11005), (3337, 9455), (4331, 7285)]