28553856

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 81959040

約数和(自身を除く): 53405184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 53, 61, 64, 69, 92, 96, 106, 122, 128, 138, 159, 183, 184, 192, 212, 244, 276, 318, 366, 368, 384, 424, 488, 552, 636, 732, 736, 848, 976, 1104, 1219, 1272, 1403, 1464, 1472, 1696, 1952, 2208, 2438, 2544, 2806, 2928, 2944, 3233, 3392, 3657, 3904, 4209, 4416, 4876, 5088, 5612, 5856, 6466, 6784, 7314, 7808, 8418, 8832, 9699, 9752, 10176, 11224, 11712, 12932, 14628, 16836, 19398, 19504, 20352, 22448, 23424, 25864, 29256, 33672, 38796, 39008, 44896, 51728, 58512, 67344, 74359, 77592, 78016, 89792, 103456, 117024, 134688, 148718, 155184, 156032, 179584, 206912, 223077, 234048, 269376, 297436, 310368, 413824, 446154, 468096, 538752, 594872, 620736, 892308, 1189744, 1241472, 1784616, 2379488, 3569232, 4758976, 7138464, 9517952, 14276928, 28553856]

約数ペア:

[(1, 28553856), (2, 14276928), (3, 9517952), (4, 7138464), (6, 4758976), (8, 3569232), (12, 2379488), (16, 1784616), (23, 1241472), (24, 1189744), (32, 892308), (46, 620736), (48, 594872), (53, 538752), (61, 468096), (64, 446154), (69, 413824), (92, 310368), (96, 297436), (106, 269376), (122, 234048), (128, 223077), (138, 206912), (159, 179584), (183, 156032), (184, 155184), (192, 148718), (212, 134688), (244, 117024), (276, 103456), (318, 89792), (366, 78016), (368, 77592), (384, 74359), (424, 67344), (488, 58512), (552, 51728), (636, 44896), (732, 39008), (736, 38796), (848, 33672), (976, 29256), (1104, 25864), (1219, 23424), (1272, 22448), (1403, 20352), (1464, 19504), (1472, 19398), (1696, 16836), (1952, 14628), (2208, 12932), (2438, 11712), (2544, 11224), (2806, 10176), (2928, 9752), (2944, 9699), (3233, 8832), (3392, 8418), (3657, 7808), (3904, 7314), (4209, 6784), (4416, 6466), (4876, 5856), (5088, 5612)]