259540736

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^2\times {\mathrm{857}}^1$

素因数の和:906

約数の個数: 108

約数和(自身を含む): 641873232

約数和(自身を除く): 382332496

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 169, 182, 208, 224, 256, 338, 364, 416, 448, 676, 728, 832, 857, 896, 1183, 1352, 1456, 1664, 1714, 1792, 2366, 2704, 2912, 3328, 3428, 4732, 5408, 5824, 5999, 6856, 9464, 10816, 11141, 11648, 11998, 13712, 18928, 21632, 22282, 23296, 23996, 27424, 37856, 43264, 44564, 47992, 54848, 75712, 77987, 89128, 95984, 109696, 144833, 151424, 155974, 178256, 191968, 219392, 289666, 302848, 311948, 356512, 383936, 579332, 623896, 713024, 767872, 1013831, 1158664, 1247792, 1426048, 1535744, 2027662, 2317328, 2495584, 2852096, 4055324, 4634656, 4991168, 8110648, 9269312, 9982336, 16221296, 18538624, 19964672, 32442592, 37077248, 64885184, 129770368, 259540736]

約数ペア:

[(1, 259540736), (2, 129770368), (4, 64885184), (7, 37077248), (8, 32442592), (13, 19964672), (14, 18538624), (16, 16221296), (26, 9982336), (28, 9269312), (32, 8110648), (52, 4991168), (56, 4634656), (64, 4055324), (91, 2852096), (104, 2495584), (112, 2317328), (128, 2027662), (169, 1535744), (182, 1426048), (208, 1247792), (224, 1158664), (256, 1013831), (338, 767872), (364, 713024), (416, 623896), (448, 579332), (676, 383936), (728, 356512), (832, 311948), (857, 302848), (896, 289666), (1183, 219392), (1352, 191968), (1456, 178256), (1664, 155974), (1714, 151424), (1792, 144833), (2366, 109696), (2704, 95984), (2912, 89128), (3328, 77987), (3428, 75712), (4732, 54848), (5408, 47992), (5824, 44564), (5999, 43264), (6856, 37856), (9464, 27424), (10816, 23996), (11141, 23296), (11648, 22282), (11998, 21632), (13712, 18928)]