331315712

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^2\times {\mathrm{547}}^1$

素因数の和:598

約数の個数: 120

約数和(自身を含む): 820724256

約数和(自身を除く): 489408544

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 169, 182, 208, 224, 256, 338, 364, 416, 448, 512, 547, 676, 728, 832, 896, 1094, 1183, 1352, 1456, 1664, 1792, 2188, 2366, 2704, 2912, 3328, 3584, 3829, 4376, 4732, 5408, 5824, 6656, 7111, 7658, 8752, 9464, 10816, 11648, 14222, 15316, 17504, 18928, 21632, 23296, 28444, 30632, 35008, 37856, 43264, 46592, 49777, 56888, 61264, 70016, 75712, 86528, 92443, 99554, 113776, 122528, 140032, 151424, 184886, 199108, 227552, 245056, 280064, 302848, 369772, 398216, 455104, 490112, 605696, 647101, 739544, 796432, 910208, 980224, 1294202, 1479088, 1592864, 1820416, 1960448, 2588404, 2958176, 3185728, 3640832, 5176808, 5916352, 6371456, 10353616, 11832704, 12742912, 20707232, 23665408, 25485824, 41414464, 47330816, 82828928, 165657856, 331315712]

約数ペア:

[(1, 331315712), (2, 165657856), (4, 82828928), (7, 47330816), (8, 41414464), (13, 25485824), (14, 23665408), (16, 20707232), (26, 12742912), (28, 11832704), (32, 10353616), (52, 6371456), (56, 5916352), (64, 5176808), (91, 3640832), (104, 3185728), (112, 2958176), (128, 2588404), (169, 1960448), (182, 1820416), (208, 1592864), (224, 1479088), (256, 1294202), (338, 980224), (364, 910208), (416, 796432), (448, 739544), (512, 647101), (547, 605696), (676, 490112), (728, 455104), (832, 398216), (896, 369772), (1094, 302848), (1183, 280064), (1352, 245056), (1456, 227552), (1664, 199108), (1792, 184886), (2188, 151424), (2366, 140032), (2704, 122528), (2912, 113776), (3328, 99554), (3584, 92443), (3829, 86528), (4376, 75712), (4732, 70016), (5408, 61264), (5824, 56888), (6656, 49777), (7111, 46592), (7658, 43264), (8752, 37856), (9464, 35008), (10816, 30632), (11648, 28444), (14222, 23296), (15316, 21632), (17504, 18928)]