263873896

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{1613}}^1$

素因数の和:1667

約数の個数: 72

約数和(自身を含む): 589247190

約数和(自身を除く): 325373294

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 169, 242, 286, 338, 484, 572, 676, 968, 1144, 1352, 1573, 1613, 1859, 3146, 3226, 3718, 6292, 6452, 7436, 12584, 12904, 14872, 17743, 20449, 20969, 35486, 40898, 41938, 70972, 81796, 83876, 141944, 163592, 167752, 195173, 230659, 272597, 390346, 461318, 545194, 780692, 922636, 1090388, 1561384, 1845272, 2180776, 2537249, 2998567, 5074498, 5997134, 10148996, 11994268, 20297992, 23988536, 32984237, 65968474, 131936948, 263873896]

約数ペア:

[(1, 263873896), (2, 131936948), (4, 65968474), (8, 32984237), (11, 23988536), (13, 20297992), (22, 11994268), (26, 10148996), (44, 5997134), (52, 5074498), (88, 2998567), (104, 2537249), (121, 2180776), (143, 1845272), (169, 1561384), (242, 1090388), (286, 922636), (338, 780692), (484, 545194), (572, 461318), (676, 390346), (968, 272597), (1144, 230659), (1352, 195173), (1573, 167752), (1613, 163592), (1859, 141944), (3146, 83876), (3226, 81796), (3718, 70972), (6292, 41938), (6452, 40898), (7436, 35486), (12584, 20969), (12904, 20449), (14872, 17743)]