78816885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15971}}^1$

素因数の和:16033

約数の個数: 32

約数和(自身を含む): 147197952

約数和(自身を除く): 68381067

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4935, 15971, 47913, 79855, 111797, 239565, 335391, 558985, 750637, 1676955, 2251911, 3753185, 5254459, 11259555, 15763377, 26272295, 78816885]

約数ペア:

[(1, 78816885), (3, 26272295), (5, 15763377), (7, 11259555), (15, 5254459), (21, 3753185), (35, 2251911), (47, 1676955), (105, 750637), (141, 558985), (235, 335391), (329, 239565), (705, 111797), (987, 79855), (1645, 47913), (4935, 15971)]