257441472

素因数分解:

$2^6\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:527

約数の個数: 168

約数和(自身を含む): 795966912

約数和(自身を除く): 538525440

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 61, 64, 68, 72, 96, 102, 122, 136, 144, 153, 183, 192, 204, 244, 272, 288, 306, 366, 408, 431, 488, 544, 549, 576, 612, 732, 816, 862, 976, 1037, 1088, 1098, 1224, 1293, 1464, 1632, 1724, 1952, 2074, 2196, 2448, 2586, 2928, 3111, 3264, 3448, 3879, 3904, 4148, 4392, 4896, 5172, 5856, 6222, 6896, 7327, 7758, 8296, 8784, 9333, 9792, 10344, 11712, 12444, 13792, 14654, 15516, 16592, 17568, 18666, 20688, 21981, 24888, 26291, 27584, 29308, 31032, 33184, 35136, 37332, 41376, 43962, 49776, 52582, 58616, 62064, 65943, 66368, 74664, 78873, 82752, 87924, 99552, 105164, 117232, 124128, 131886, 149328, 157746, 175848, 199104, 210328, 234464, 236619, 248256, 263772, 298656, 315492, 351696, 420656, 446947, 468928, 473238, 527544, 597312, 630984, 703392, 841312, 893894, 946476, 1055088, 1261968, 1340841, 1406784, 1682624, 1787788, 1892952, 2110176, 2523936, 2681682, 3575576, 3785904, 4022523, 4220352, 5047872, 5363364, 7151152, 7571808, 8045046, 10726728, 14302304, 15143616, 16090092, 21453456, 28604608, 32180184, 42906912, 64360368, 85813824, 128720736, 257441472]

約数ペア:

[(1, 257441472), (2, 128720736), (3, 85813824), (4, 64360368), (6, 42906912), (8, 32180184), (9, 28604608), (12, 21453456), (16, 16090092), (17, 15143616), (18, 14302304), (24, 10726728), (32, 8045046), (34, 7571808), (36, 7151152), (48, 5363364), (51, 5047872), (61, 4220352), (64, 4022523), (68, 3785904), (72, 3575576), (96, 2681682), (102, 2523936), (122, 2110176), (136, 1892952), (144, 1787788), (153, 1682624), (183, 1406784), (192, 1340841), (204, 1261968), (244, 1055088), (272, 946476), (288, 893894), (306, 841312), (366, 703392), (408, 630984), (431, 597312), (488, 527544), (544, 473238), (549, 468928), (576, 446947), (612, 420656), (732, 351696), (816, 315492), (862, 298656), (976, 263772), (1037, 248256), (1088, 236619), (1098, 234464), (1224, 210328), (1293, 199104), (1464, 175848), (1632, 157746), (1724, 149328), (1952, 131886), (2074, 124128), (2196, 117232), (2448, 105164), (2586, 99552), (2928, 87924), (3111, 82752), (3264, 78873), (3448, 74664), (3879, 66368), (3904, 65943), (4148, 62064), (4392, 58616), (4896, 52582), (5172, 49776), (5856, 43962), (6222, 41376), (6896, 37332), (7327, 35136), (7758, 33184), (8296, 31032), (8784, 29308), (9333, 27584), (9792, 26291), (10344, 24888), (11712, 21981), (12444, 20688), (13792, 18666), (14654, 17568), (15516, 16592)]