16615675

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 21427200

約数和(自身を除く): 4811525

約数列:

[1, 5, 25, 47, 79, 179, 235, 395, 895, 1175, 1975, 3713, 4475, 8413, 14141, 18565, 42065, 70705, 92825, 210325, 353525, 664627, 3323135, 16615675]

約数ペア:

[(1, 16615675), (5, 3323135), (25, 664627), (47, 353525), (79, 210325), (179, 92825), (235, 70705), (395, 42065), (895, 18565), (1175, 14141), (1975, 8413), (3713, 4475)]