77857787315

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{545089}}^1$

素因数の和:545172

約数の個数: 48

約数和(自身を含む): 120800665440

約数和(自身を除く): 42942878125

約数列:

[1, 5, 7, 11, 35, 49, 53, 55, 77, 245, 265, 371, 385, 539, 583, 1855, 2597, 2695, 2915, 4081, 12985, 20405, 28567, 142835, 545089, 2725445, 3815623, 5995979, 19078115, 26709361, 28889717, 29979895, 41971853, 133546805, 144448585, 202228019, 209859265, 293802971, 317786887, 1011140095, 1415596133, 1469014855, 1588934435, 2224508209, 7077980665, 11122541045, 15571557463, 77857787315]

約数ペア:

[(1, 77857787315), (5, 15571557463), (7, 11122541045), (11, 7077980665), (35, 2224508209), (49, 1588934435), (53, 1469014855), (55, 1415596133), (77, 1011140095), (245, 317786887), (265, 293802971), (371, 209859265), (385, 202228019), (539, 144448585), (583, 133546805), (1855, 41971853), (2597, 29979895), (2695, 28889717), (2915, 26709361), (4081, 19078115), (12985, 5995979), (20405, 3815623), (28567, 2725445), (142835, 545089)]