28870975

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{457}}^1$

素因数の和:512

約数の個数: 36

約数和(自身を含む): 43275504

約数和(自身を除く): 14404529

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 361, 457, 475, 665, 1805, 2285, 2527, 3199, 3325, 8683, 9025, 11425, 12635, 15995, 43415, 60781, 63175, 79975, 164977, 217075, 303905, 824885, 1154839, 1519525, 4124425, 5774195, 28870975]

約数ペア:

[(1, 28870975), (5, 5774195), (7, 4124425), (19, 1519525), (25, 1154839), (35, 824885), (95, 303905), (133, 217075), (175, 164977), (361, 79975), (457, 63175), (475, 60781), (665, 43415), (1805, 15995), (2285, 12635), (2527, 11425), (3199, 9025), (3325, 8683)]