819875975

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{3319}}^1$

素因数の和:3611

約数の個数: 24

約数和(自身を含む): 1046078880

約数和(自身を除く): 226202905

約数列:

[1, 5, 25, 41, 205, 241, 1025, 1205, 3319, 6025, 9881, 16595, 49405, 82975, 136079, 247025, 680395, 799879, 3401975, 3999395, 19996975, 32795039, 163975195, 819875975]

約数ペア:

[(1, 819875975), (5, 163975195), (25, 32795039), (41, 19996975), (205, 3999395), (241, 3401975), (1025, 799879), (1205, 680395), (3319, 247025), (6025, 136079), (9881, 82975), (16595, 49405)]