128464128

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{4289}}^1$

素因数の和:4324

約数の個数: 108

約数和(自身を含む): 398978580

約数和(自身を除く): 270514452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 256, 288, 312, 384, 416, 468, 576, 624, 768, 832, 936, 1152, 1248, 1664, 1872, 2304, 2496, 3328, 3744, 4289, 4992, 7488, 8578, 9984, 12867, 14976, 17156, 25734, 29952, 34312, 38601, 51468, 55757, 68624, 77202, 102936, 111514, 137248, 154404, 167271, 205872, 223028, 274496, 308808, 334542, 411744, 446056, 501813, 548992, 617616, 669084, 823488, 892112, 1003626, 1097984, 1235232, 1338168, 1646976, 1784224, 2007252, 2470464, 2676336, 3293952, 3568448, 4014504, 4940928, 5352672, 7136896, 8029008, 9881856, 10705344, 14273792, 16058016, 21410688, 32116032, 42821376, 64232064, 128464128]

約数ペア:

[(1, 128464128), (2, 64232064), (3, 42821376), (4, 32116032), (6, 21410688), (8, 16058016), (9, 14273792), (12, 10705344), (13, 9881856), (16, 8029008), (18, 7136896), (24, 5352672), (26, 4940928), (32, 4014504), (36, 3568448), (39, 3293952), (48, 2676336), (52, 2470464), (64, 2007252), (72, 1784224), (78, 1646976), (96, 1338168), (104, 1235232), (117, 1097984), (128, 1003626), (144, 892112), (156, 823488), (192, 669084), (208, 617616), (234, 548992), (256, 501813), (288, 446056), (312, 411744), (384, 334542), (416, 308808), (468, 274496), (576, 223028), (624, 205872), (768, 167271), (832, 154404), (936, 137248), (1152, 111514), (1248, 102936), (1664, 77202), (1872, 68624), (2304, 55757), (2496, 51468), (3328, 38601), (3744, 34312), (4289, 29952), (4992, 25734), (7488, 17156), (8578, 14976), (9984, 12867)]