258436255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 406425600

約数和(自身を除く): 147989345

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 79, 145, 203, 293, 319, 385, 395, 553, 869, 1015, 1465, 1595, 2051, 2233, 2291, 2765, 3223, 4345, 6083, 8497, 10255, 11165, 11455, 16037, 16115, 22561, 23147, 25201, 30415, 42485, 59479, 80185, 93467, 112805, 115735, 126005, 162029, 176407, 254617, 297395, 467335, 654269, 671263, 810145, 882035, 1273085, 1782319, 3271345, 3356315, 4698841, 7383893, 8911595, 23494205, 36919465, 51687251, 258436255]

約数ペア:

[(1, 258436255), (5, 51687251), (7, 36919465), (11, 23494205), (29, 8911595), (35, 7383893), (55, 4698841), (77, 3356315), (79, 3271345), (145, 1782319), (203, 1273085), (293, 882035), (319, 810145), (385, 671263), (395, 654269), (553, 467335), (869, 297395), (1015, 254617), (1465, 176407), (1595, 162029), (2051, 126005), (2233, 115735), (2291, 112805), (2765, 93467), (3223, 80185), (4345, 59479), (6083, 42485), (8497, 30415), (10255, 25201), (11165, 23147), (11455, 22561), (16037, 16115)]