128805248

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:296

約数の個数: 128

約数和(自身を含む): 312560640

約数和(自身を除く): 183755392

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 32, 44, 52, 62, 64, 88, 104, 124, 128, 143, 176, 208, 227, 248, 286, 341, 352, 403, 416, 454, 496, 572, 682, 704, 806, 832, 908, 992, 1144, 1364, 1408, 1612, 1664, 1816, 1984, 2288, 2497, 2728, 2951, 3224, 3632, 3968, 4433, 4576, 4994, 5456, 5902, 6448, 7037, 7264, 8866, 9152, 9988, 10912, 11804, 12896, 14074, 14528, 17732, 18304, 19976, 21824, 23608, 25792, 28148, 29056, 32461, 35464, 39952, 43648, 47216, 51584, 56296, 64922, 70928, 77407, 79904, 91481, 94432, 112592, 129844, 141856, 154814, 159808, 182962, 188864, 225184, 259688, 283712, 309628, 319616, 365924, 377728, 450368, 519376, 567424, 619256, 731848, 900736, 1006291, 1038752, 1238512, 1463696, 2012582, 2077504, 2477024, 2927392, 4025164, 4155008, 4954048, 5854784, 8050328, 9908096, 11709568, 16100656, 32201312, 64402624, 128805248]

約数ペア:

[(1, 128805248), (2, 64402624), (4, 32201312), (8, 16100656), (11, 11709568), (13, 9908096), (16, 8050328), (22, 5854784), (26, 4954048), (31, 4155008), (32, 4025164), (44, 2927392), (52, 2477024), (62, 2077504), (64, 2012582), (88, 1463696), (104, 1238512), (124, 1038752), (128, 1006291), (143, 900736), (176, 731848), (208, 619256), (227, 567424), (248, 519376), (286, 450368), (341, 377728), (352, 365924), (403, 319616), (416, 309628), (454, 283712), (496, 259688), (572, 225184), (682, 188864), (704, 182962), (806, 159808), (832, 154814), (908, 141856), (992, 129844), (1144, 112592), (1364, 94432), (1408, 91481), (1612, 79904), (1664, 77407), (1816, 70928), (1984, 64922), (2288, 56296), (2497, 51584), (2728, 47216), (2951, 43648), (3224, 39952), (3632, 35464), (3968, 32461), (4433, 29056), (4576, 28148), (4994, 25792), (5456, 23608), (5902, 21824), (6448, 19976), (7037, 18304), (7264, 17732), (8866, 14528), (9152, 14074), (9988, 12896), (10912, 11804)]