206665345

素因数分解:

$5^1\times {\mathrm{17}}^3\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 270604800

約数和(自身を除く): 63939455

約数列:

[1, 5, 17, 47, 85, 179, 235, 289, 799, 895, 1445, 3043, 3995, 4913, 8413, 13583, 15215, 24565, 42065, 51731, 67915, 143021, 230911, 258655, 715105, 879427, 1154555, 2431357, 4397135, 12156785, 41333069, 206665345]

約数ペア:

[(1, 206665345), (5, 41333069), (17, 12156785), (47, 4397135), (85, 2431357), (179, 1154555), (235, 879427), (289, 715105), (799, 258655), (895, 230911), (1445, 143021), (3043, 67915), (3995, 51731), (4913, 42065), (8413, 24565), (13583, 15215)]