256613056

素因数分解:

$2^6\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:306

約数の個数: 112

約数和(自身を含む): 607381056

約数和(自身を除く): 350768000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 113, 137, 148, 224, 226, 259, 274, 296, 448, 452, 518, 548, 592, 791, 904, 959, 1036, 1096, 1184, 1582, 1808, 1918, 2072, 2192, 2368, 3164, 3616, 3836, 4144, 4181, 4384, 5069, 6328, 7232, 7672, 8288, 8362, 8768, 10138, 12656, 15344, 15481, 16576, 16724, 20276, 25312, 29267, 30688, 30962, 33448, 35483, 40552, 50624, 58534, 61376, 61924, 66896, 70966, 81104, 108367, 117068, 123848, 133792, 141932, 162208, 216734, 234136, 247696, 267584, 283864, 324416, 433468, 468272, 495392, 567728, 572797, 866936, 936544, 990784, 1135456, 1145594, 1733872, 1873088, 2270912, 2291188, 3467744, 4009579, 4582376, 6935488, 8019158, 9164752, 16038316, 18329504, 32076632, 36659008, 64153264, 128306528, 256613056]

約数ペア:

[(1, 256613056), (2, 128306528), (4, 64153264), (7, 36659008), (8, 32076632), (14, 18329504), (16, 16038316), (28, 9164752), (32, 8019158), (37, 6935488), (56, 4582376), (64, 4009579), (74, 3467744), (112, 2291188), (113, 2270912), (137, 1873088), (148, 1733872), (224, 1145594), (226, 1135456), (259, 990784), (274, 936544), (296, 866936), (448, 572797), (452, 567728), (518, 495392), (548, 468272), (592, 433468), (791, 324416), (904, 283864), (959, 267584), (1036, 247696), (1096, 234136), (1184, 216734), (1582, 162208), (1808, 141932), (1918, 133792), (2072, 123848), (2192, 117068), (2368, 108367), (3164, 81104), (3616, 70966), (3836, 66896), (4144, 61924), (4181, 61376), (4384, 58534), (5069, 50624), (6328, 40552), (7232, 35483), (7672, 33448), (8288, 30962), (8362, 30688), (8768, 29267), (10138, 25312), (12656, 20276), (15344, 16724), (15481, 16576)]