28915117

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 10068563

約数列:

[1, 7, 11, 23, 29, 77, 161, 203, 253, 319, 563, 667, 1771, 2233, 3941, 4669, 6193, 7337, 12949, 16327, 43351, 51359, 90643, 114289, 142439, 179597, 375521, 997073, 1257179, 2628647, 4130731, 28915117]

約数ペア:

[(1, 28915117), (7, 4130731), (11, 2628647), (23, 1257179), (29, 997073), (77, 375521), (161, 179597), (203, 142439), (253, 114289), (319, 90643), (563, 51359), (667, 43351), (1771, 16327), (2233, 12949), (3941, 7337), (4669, 6193)]