261462318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{115589}}^1$

素因数の和:115636

約数の個数: 32

約数和(自身を含む): 582573600

約数和(自身を除く): 321111282

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 115589, 231178, 346767, 693534, 1502657, 3005314, 3352081, 4507971, 6704162, 9015942, 10056243, 20112486, 43577053, 87154106, 130731159, 261462318]

約数ペア:

[(1, 261462318), (2, 130731159), (3, 87154106), (6, 43577053), (13, 20112486), (26, 10056243), (29, 9015942), (39, 6704162), (58, 4507971), (78, 3352081), (87, 3005314), (174, 1502657), (377, 693534), (754, 346767), (1131, 231178), (2262, 115589)]