255734128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2333}}^1$

素因数の和:2402

約数の個数: 80

約数和(自身を含む): 583462656

約数和(自身を除く): 327728528

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 442, 496, 527, 806, 884, 1054, 1612, 1768, 2108, 2333, 3224, 3536, 4216, 4666, 6448, 6851, 8432, 9332, 13702, 18664, 27404, 30329, 37328, 39661, 54808, 60658, 72323, 79322, 109616, 121316, 144646, 158644, 242632, 289292, 317288, 485264, 515593, 578584, 634576, 940199, 1031186, 1157168, 1229491, 1880398, 2062372, 2458982, 3760796, 4124744, 4917964, 7521592, 8249488, 9835928, 15043184, 15983383, 19671856, 31966766, 63933532, 127867064, 255734128]

約数ペア:

[(1, 255734128), (2, 127867064), (4, 63933532), (8, 31966766), (13, 19671856), (16, 15983383), (17, 15043184), (26, 9835928), (31, 8249488), (34, 7521592), (52, 4917964), (62, 4124744), (68, 3760796), (104, 2458982), (124, 2062372), (136, 1880398), (208, 1229491), (221, 1157168), (248, 1031186), (272, 940199), (403, 634576), (442, 578584), (496, 515593), (527, 485264), (806, 317288), (884, 289292), (1054, 242632), (1612, 158644), (1768, 144646), (2108, 121316), (2333, 109616), (3224, 79322), (3536, 72323), (4216, 60658), (4666, 54808), (6448, 39661), (6851, 37328), (8432, 30329), (9332, 27404), (13702, 18664)]