128430848

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 326222400

約数和(自身を除く): 197791552

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 37, 52, 56, 64, 74, 91, 104, 112, 128, 148, 149, 182, 208, 224, 256, 259, 296, 298, 364, 416, 448, 481, 518, 592, 596, 728, 832, 896, 962, 1036, 1043, 1184, 1192, 1456, 1664, 1792, 1924, 1937, 2072, 2086, 2368, 2384, 2912, 3328, 3367, 3848, 3874, 4144, 4172, 4736, 4768, 5513, 5824, 6734, 7696, 7748, 8288, 8344, 9472, 9536, 11026, 11648, 13468, 13559, 15392, 15496, 16576, 16688, 19072, 22052, 23296, 26936, 27118, 30784, 30992, 33152, 33376, 38144, 38591, 44104, 53872, 54236, 61568, 61984, 66304, 66752, 71669, 77182, 88208, 107744, 108472, 123136, 123968, 133504, 143338, 154364, 176416, 215488, 216944, 247936, 267008, 286676, 308728, 352832, 430976, 433888, 495872, 501683, 573352, 617456, 705664, 861952, 867776, 1003366, 1146704, 1234912, 1411328, 1735552, 2006732, 2293408, 2469824, 3471104, 4013464, 4586816, 4939648, 8026928, 9173632, 9879296, 16053856, 18347264, 32107712, 64215424, 128430848]

約数ペア:

[(1, 128430848), (2, 64215424), (4, 32107712), (7, 18347264), (8, 16053856), (13, 9879296), (14, 9173632), (16, 8026928), (26, 4939648), (28, 4586816), (32, 4013464), (37, 3471104), (52, 2469824), (56, 2293408), (64, 2006732), (74, 1735552), (91, 1411328), (104, 1234912), (112, 1146704), (128, 1003366), (148, 867776), (149, 861952), (182, 705664), (208, 617456), (224, 573352), (256, 501683), (259, 495872), (296, 433888), (298, 430976), (364, 352832), (416, 308728), (448, 286676), (481, 267008), (518, 247936), (592, 216944), (596, 215488), (728, 176416), (832, 154364), (896, 143338), (962, 133504), (1036, 123968), (1043, 123136), (1184, 108472), (1192, 107744), (1456, 88208), (1664, 77182), (1792, 71669), (1924, 66752), (1937, 66304), (2072, 61984), (2086, 61568), (2368, 54236), (2384, 53872), (2912, 44104), (3328, 38591), (3367, 38144), (3848, 33376), (3874, 33152), (4144, 30992), (4172, 30784), (4736, 27118), (4768, 26936), (5513, 23296), (5824, 22052), (6734, 19072), (7696, 16688), (7748, 16576), (8288, 15496), (8344, 15392), (9472, 13559), (9536, 13468), (11026, 11648)]