256654554

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{1993}}^1$

素因数の和:2151

約数の個数: 48

約数和(自身を含む): 560489472

約数和(自身を除く): 303834918

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 169, 254, 338, 381, 507, 762, 1014, 1651, 1993, 3302, 3986, 4953, 5979, 9906, 11958, 21463, 25909, 42926, 51818, 64389, 77727, 128778, 155454, 253111, 336817, 506222, 673634, 759333, 1010451, 1518666, 2020902, 3290443, 6580886, 9871329, 19742658, 42775759, 85551518, 128327277, 256654554]

約数ペア:

[(1, 256654554), (2, 128327277), (3, 85551518), (6, 42775759), (13, 19742658), (26, 9871329), (39, 6580886), (78, 3290443), (127, 2020902), (169, 1518666), (254, 1010451), (338, 759333), (381, 673634), (507, 506222), (762, 336817), (1014, 253111), (1651, 155454), (1993, 128778), (3302, 77727), (3986, 64389), (4953, 51818), (5979, 42926), (9906, 25909), (11958, 21463)]