55378225

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4457}}^1$

素因数の和:4545

約数の個数: 24

約数和(自身を含む): 79602048

約数和(自身を除く): 24223823

約数列:

[1, 5, 7, 25, 35, 71, 175, 355, 497, 1775, 2485, 4457, 12425, 22285, 31199, 111425, 155995, 316447, 779975, 1582235, 2215129, 7911175, 11075645, 55378225]

約数ペア:

[(1, 55378225), (5, 11075645), (7, 7911175), (25, 2215129), (35, 1582235), (71, 779975), (175, 316447), (355, 155995), (497, 111425), (1775, 31199), (2485, 22285), (4457, 12425)]