266556992

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{761}}^1$

素因数の和:1207

約数の個数: 56

約数和(自身を含む): 571740792

約数和(自身を除く): 305183800

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 421, 761, 832, 842, 1522, 1684, 3044, 3368, 5473, 6088, 6736, 9893, 10946, 12176, 13472, 19786, 21892, 24352, 26944, 39572, 43784, 48704, 79144, 87568, 158288, 175136, 316576, 320381, 350272, 633152, 640762, 1281524, 2563048, 4164953, 5126096, 8329906, 10252192, 16659812, 20504384, 33319624, 66639248, 133278496, 266556992]

約数ペア:

[(1, 266556992), (2, 133278496), (4, 66639248), (8, 33319624), (13, 20504384), (16, 16659812), (26, 10252192), (32, 8329906), (52, 5126096), (64, 4164953), (104, 2563048), (208, 1281524), (416, 640762), (421, 633152), (761, 350272), (832, 320381), (842, 316576), (1522, 175136), (1684, 158288), (3044, 87568), (3368, 79144), (5473, 48704), (6088, 43784), (6736, 39572), (9893, 26944), (10946, 24352), (12176, 21892), (13472, 19786)]