81512704

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3499}}^1$

素因数の和:3535

約数の個数: 72

約数和(自身を含む): 200312000

約数和(自身を除く): 118799296

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 3499, 5824, 6998, 11648, 13996, 23296, 24493, 27992, 45487, 48986, 55984, 90974, 97972, 111968, 181948, 195944, 223936, 318409, 363896, 391888, 447872, 636818, 727792, 783776, 895744, 1273636, 1455584, 1567552, 2547272, 2911168, 3135104, 5094544, 5822336, 6270208, 10189088, 11644672, 20378176, 40756352, 81512704]

約数ペア:

[(1, 81512704), (2, 40756352), (4, 20378176), (7, 11644672), (8, 10189088), (13, 6270208), (14, 5822336), (16, 5094544), (26, 3135104), (28, 2911168), (32, 2547272), (52, 1567552), (56, 1455584), (64, 1273636), (91, 895744), (104, 783776), (112, 727792), (128, 636818), (182, 447872), (208, 391888), (224, 363896), (256, 318409), (364, 223936), (416, 195944), (448, 181948), (728, 111968), (832, 97972), (896, 90974), (1456, 55984), (1664, 48986), (1792, 45487), (2912, 27992), (3328, 24493), (3499, 23296), (5824, 13996), (6998, 11648)]