81778995155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1613}}^1\times {\mathrm{3083}}^1$

素因数の和:4748

約数の個数: 64

約数和(自身を含む): 120417518592

約数和(自身を除く): 38638523437

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1265, 1495, 1613, 3083, 3289, 8065, 15415, 16445, 17743, 20969, 33913, 37099, 40079, 70909, 88715, 104845, 169565, 185495, 200395, 230659, 354545, 408089, 440869, 482287, 779999, 921817, 1153295, 2040445, 2204345, 2411435, 3899995, 4609085, 4972879, 5305157, 10139987, 24864395, 26525785, 50699935, 54701669, 64647427, 114376217, 273508345, 323237135, 571881085, 711121697, 1258138387, 1486890821, 3555608485, 6290691935, 7434454105, 16355799031, 81778995155]

約数ペア:

[(1, 81778995155), (5, 16355799031), (11, 7434454105), (13, 6290691935), (23, 3555608485), (55, 1486890821), (65, 1258138387), (115, 711121697), (143, 571881085), (253, 323237135), (299, 273508345), (715, 114376217), (1265, 64647427), (1495, 54701669), (1613, 50699935), (3083, 26525785), (3289, 24864395), (8065, 10139987), (15415, 5305157), (16445, 4972879), (17743, 4609085), (20969, 3899995), (33913, 2411435), (37099, 2204345), (40079, 2040445), (70909, 1153295), (88715, 921817), (104845, 779999), (169565, 482287), (185495, 440869), (200395, 408089), (230659, 354545)]