28123865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4297}}^1$

素因数の和:4337

約数の個数: 32

約数和(自身を含む): 44561664

約数和(自身を除く): 16437799

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 4297, 6545, 21485, 30079, 47267, 73049, 150395, 236335, 330869, 365245, 511343, 803539, 1654345, 2556715, 4017695, 5624773, 28123865]

約数ペア:

[(1, 28123865), (5, 5624773), (7, 4017695), (11, 2556715), (17, 1654345), (35, 803539), (55, 511343), (77, 365245), (85, 330869), (119, 236335), (187, 150395), (385, 73049), (595, 47267), (935, 30079), (1309, 21485), (4297, 6545)]