128597504

素因数分解:

$2^9\times 7^1\times {\mathrm{53}}^1\times {\mathrm{677}}^1$

素因数の和:755

約数の個数: 80

約数和(自身を含む): 299632608

約数和(自身を除く): 171035104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 212, 224, 256, 371, 424, 448, 512, 677, 742, 848, 896, 1354, 1484, 1696, 1792, 2708, 2968, 3392, 3584, 4739, 5416, 5936, 6784, 9478, 10832, 11872, 13568, 18956, 21664, 23744, 27136, 35881, 37912, 43328, 47488, 71762, 75824, 86656, 94976, 143524, 151648, 173312, 189952, 251167, 287048, 303296, 346624, 502334, 574096, 606592, 1004668, 1148192, 1213184, 2009336, 2296384, 2426368, 4018672, 4592768, 8037344, 9185536, 16074688, 18371072, 32149376, 64298752, 128597504]

約数ペア:

[(1, 128597504), (2, 64298752), (4, 32149376), (7, 18371072), (8, 16074688), (14, 9185536), (16, 8037344), (28, 4592768), (32, 4018672), (53, 2426368), (56, 2296384), (64, 2009336), (106, 1213184), (112, 1148192), (128, 1004668), (212, 606592), (224, 574096), (256, 502334), (371, 346624), (424, 303296), (448, 287048), (512, 251167), (677, 189952), (742, 173312), (848, 151648), (896, 143524), (1354, 94976), (1484, 86656), (1696, 75824), (1792, 71762), (2708, 47488), (2968, 43328), (3392, 37912), (3584, 35881), (4739, 27136), (5416, 23744), (5936, 21664), (6784, 18956), (9478, 13568), (10832, 11872)]