128340992

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:375

約数の個数: 88

約数和(自身を含む): 286121472

約数和(自身を除く): 157780480

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 311, 403, 416, 496, 512, 622, 806, 832, 992, 1024, 1244, 1612, 1664, 1984, 2488, 3224, 3328, 3968, 4043, 4976, 6448, 6656, 7936, 8086, 9641, 9952, 12896, 13312, 15872, 16172, 19282, 19904, 25792, 31744, 32344, 38564, 39808, 51584, 64688, 77128, 79616, 103168, 125333, 129376, 154256, 159232, 206336, 250666, 258752, 308512, 318464, 412672, 501332, 517504, 617024, 1002664, 1035008, 1234048, 2005328, 2070016, 2468096, 4010656, 4140032, 4936192, 8021312, 9872384, 16042624, 32085248, 64170496, 128340992]

約数ペア:

[(1, 128340992), (2, 64170496), (4, 32085248), (8, 16042624), (13, 9872384), (16, 8021312), (26, 4936192), (31, 4140032), (32, 4010656), (52, 2468096), (62, 2070016), (64, 2005328), (104, 1234048), (124, 1035008), (128, 1002664), (208, 617024), (248, 517504), (256, 501332), (311, 412672), (403, 318464), (416, 308512), (496, 258752), (512, 250666), (622, 206336), (806, 159232), (832, 154256), (992, 129376), (1024, 125333), (1244, 103168), (1612, 79616), (1664, 77128), (1984, 64688), (2488, 51584), (3224, 39808), (3328, 38564), (3968, 32344), (4043, 31744), (4976, 25792), (6448, 19904), (6656, 19282), (7936, 16172), (8086, 15872), (9641, 13312), (9952, 12896)]