138428416

素因数分解:

$2^{14}\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 339728256

約数和(自身を除く): 201299840

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 71, 112, 119, 128, 136, 142, 224, 238, 256, 272, 284, 448, 476, 497, 512, 544, 568, 896, 952, 994, 1024, 1088, 1136, 1207, 1792, 1904, 1988, 2048, 2176, 2272, 2414, 3584, 3808, 3976, 4096, 4352, 4544, 4828, 7168, 7616, 7952, 8192, 8449, 8704, 9088, 9656, 14336, 15232, 15904, 16384, 16898, 17408, 18176, 19312, 28672, 30464, 31808, 33796, 34816, 36352, 38624, 57344, 60928, 63616, 67592, 69632, 72704, 77248, 114688, 121856, 127232, 135184, 139264, 145408, 154496, 243712, 254464, 270368, 278528, 290816, 308992, 487424, 508928, 540736, 581632, 617984, 974848, 1017856, 1081472, 1163264, 1235968, 1949696, 2035712, 2162944, 2471936, 4071424, 4325888, 4943872, 8142848, 8651776, 9887744, 17303552, 19775488, 34607104, 69214208, 138428416]

約数ペア:

[(1, 138428416), (2, 69214208), (4, 34607104), (7, 19775488), (8, 17303552), (14, 9887744), (16, 8651776), (17, 8142848), (28, 4943872), (32, 4325888), (34, 4071424), (56, 2471936), (64, 2162944), (68, 2035712), (71, 1949696), (112, 1235968), (119, 1163264), (128, 1081472), (136, 1017856), (142, 974848), (224, 617984), (238, 581632), (256, 540736), (272, 508928), (284, 487424), (448, 308992), (476, 290816), (497, 278528), (512, 270368), (544, 254464), (568, 243712), (896, 154496), (952, 145408), (994, 139264), (1024, 135184), (1088, 127232), (1136, 121856), (1207, 114688), (1792, 77248), (1904, 72704), (1988, 69632), (2048, 67592), (2176, 63616), (2272, 60928), (2414, 57344), (3584, 38624), (3808, 36352), (3976, 34816), (4096, 33796), (4352, 31808), (4544, 30464), (4828, 28672), (7168, 19312), (7616, 18176), (7952, 17408), (8192, 16898), (8449, 16384), (8704, 15904), (9088, 15232), (9656, 14336)]