208539136

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 160

約数和(自身を含む): 505280160

約数和(自身を除く): 296741024

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 32, 34, 38, 52, 64, 68, 76, 97, 104, 128, 136, 152, 194, 208, 221, 247, 256, 272, 304, 323, 388, 416, 442, 494, 512, 544, 608, 646, 776, 832, 884, 988, 1088, 1216, 1261, 1292, 1552, 1649, 1664, 1768, 1843, 1976, 2176, 2432, 2522, 2584, 3104, 3298, 3328, 3536, 3686, 3952, 4199, 4352, 4864, 5044, 5168, 6208, 6596, 6656, 7072, 7372, 7904, 8398, 8704, 9728, 10088, 10336, 12416, 13192, 14144, 14744, 15808, 16796, 20176, 20672, 21437, 23959, 24832, 26384, 28288, 29488, 31331, 31616, 33592, 40352, 41344, 42874, 47918, 49664, 52768, 56576, 58976, 62662, 63232, 67184, 80704, 82688, 85748, 95836, 105536, 113152, 117952, 125324, 126464, 134368, 161408, 165376, 171496, 191672, 211072, 235904, 250648, 268736, 322816, 342992, 383344, 407303, 422144, 471808, 501296, 537472, 645632, 685984, 766688, 814606, 844288, 943616, 1002592, 1074944, 1371968, 1533376, 1629212, 2005184, 2149888, 2743936, 3066752, 3258424, 4010368, 5487872, 6133504, 6516848, 8020736, 10975744, 12267008, 13033696, 16041472, 26067392, 52134784, 104269568, 208539136]

約数ペア:

[(1, 208539136), (2, 104269568), (4, 52134784), (8, 26067392), (13, 16041472), (16, 13033696), (17, 12267008), (19, 10975744), (26, 8020736), (32, 6516848), (34, 6133504), (38, 5487872), (52, 4010368), (64, 3258424), (68, 3066752), (76, 2743936), (97, 2149888), (104, 2005184), (128, 1629212), (136, 1533376), (152, 1371968), (194, 1074944), (208, 1002592), (221, 943616), (247, 844288), (256, 814606), (272, 766688), (304, 685984), (323, 645632), (388, 537472), (416, 501296), (442, 471808), (494, 422144), (512, 407303), (544, 383344), (608, 342992), (646, 322816), (776, 268736), (832, 250648), (884, 235904), (988, 211072), (1088, 191672), (1216, 171496), (1261, 165376), (1292, 161408), (1552, 134368), (1649, 126464), (1664, 125324), (1768, 117952), (1843, 113152), (1976, 105536), (2176, 95836), (2432, 85748), (2522, 82688), (2584, 80704), (3104, 67184), (3298, 63232), (3328, 62662), (3536, 58976), (3686, 56576), (3952, 52768), (4199, 49664), (4352, 47918), (4864, 42874), (5044, 41344), (5168, 40352), (6208, 33592), (6596, 31616), (6656, 31331), (7072, 29488), (7372, 28288), (7904, 26384), (8398, 24832), (8704, 23959), (9728, 21437), (10088, 20672), (10336, 20176), (12416, 16796), (13192, 15808), (14144, 14744)]