28102015

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 35996688

約数和(自身を除く): 7894673

約数列:

[1, 5, 29, 41, 145, 163, 205, 815, 841, 1189, 4205, 4727, 5945, 6683, 23635, 33415, 34481, 137083, 172405, 193807, 685415, 969035, 5620403, 28102015]

約数ペア:

[(1, 28102015), (5, 5620403), (29, 969035), (41, 685415), (145, 193807), (163, 172405), (205, 137083), (815, 34481), (841, 33415), (1189, 23635), (4205, 6683), (4727, 5945)]