393447808

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 887644800

約数和(自身を除く): 494196992

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 73, 79, 82, 104, 128, 146, 158, 164, 208, 292, 316, 328, 416, 533, 584, 632, 656, 832, 949, 1027, 1066, 1168, 1264, 1312, 1664, 1898, 2054, 2132, 2336, 2528, 2624, 2993, 3239, 3796, 4108, 4264, 4672, 5056, 5248, 5767, 5986, 6478, 7592, 8216, 8528, 9344, 10112, 11534, 11972, 12956, 15184, 16432, 17056, 23068, 23944, 25912, 30368, 32864, 34112, 38909, 42107, 46136, 47888, 51824, 60736, 65728, 68224, 74971, 77818, 84214, 92272, 95776, 103648, 121472, 131456, 149942, 155636, 168428, 184544, 191552, 207296, 236447, 299884, 311272, 336856, 369088, 383104, 414592, 472894, 599768, 622544, 673712, 738176, 945788, 1199536, 1245088, 1347424, 1891576, 2399072, 2490176, 2694848, 3073811, 3783152, 4798144, 4980352, 5389696, 6147622, 7566304, 9596288, 12295244, 15132608, 24590488, 30265216, 49180976, 98361952, 196723904, 393447808]

約数ペア:

[(1, 393447808), (2, 196723904), (4, 98361952), (8, 49180976), (13, 30265216), (16, 24590488), (26, 15132608), (32, 12295244), (41, 9596288), (52, 7566304), (64, 6147622), (73, 5389696), (79, 4980352), (82, 4798144), (104, 3783152), (128, 3073811), (146, 2694848), (158, 2490176), (164, 2399072), (208, 1891576), (292, 1347424), (316, 1245088), (328, 1199536), (416, 945788), (533, 738176), (584, 673712), (632, 622544), (656, 599768), (832, 472894), (949, 414592), (1027, 383104), (1066, 369088), (1168, 336856), (1264, 311272), (1312, 299884), (1664, 236447), (1898, 207296), (2054, 191552), (2132, 184544), (2336, 168428), (2528, 155636), (2624, 149942), (2993, 131456), (3239, 121472), (3796, 103648), (4108, 95776), (4264, 92272), (4672, 84214), (5056, 77818), (5248, 74971), (5767, 68224), (5986, 65728), (6478, 60736), (7592, 51824), (8216, 47888), (8528, 46136), (9344, 42107), (10112, 38909), (11534, 34112), (11972, 32864), (12956, 30368), (15184, 25912), (16432, 23944), (17056, 23068)]