205149952

素因数分解:

$2^8\times 7^1\times {\mathrm{239}}^1\times {\mathrm{479}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 470937600

約数和(自身を除く): 265787648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 239, 256, 448, 478, 479, 896, 956, 958, 1673, 1792, 1912, 1916, 3346, 3353, 3824, 3832, 6692, 6706, 7648, 7664, 13384, 13412, 15296, 15328, 26768, 26824, 30592, 30656, 53536, 53648, 61184, 61312, 107072, 107296, 114481, 122624, 214144, 214592, 228962, 428288, 429184, 457924, 801367, 858368, 915848, 1602734, 1831696, 3205468, 3663392, 6410936, 7326784, 12821872, 14653568, 25643744, 29307136, 51287488, 102574976, 205149952]

約数ペア:

[(1, 205149952), (2, 102574976), (4, 51287488), (7, 29307136), (8, 25643744), (14, 14653568), (16, 12821872), (28, 7326784), (32, 6410936), (56, 3663392), (64, 3205468), (112, 1831696), (128, 1602734), (224, 915848), (239, 858368), (256, 801367), (448, 457924), (478, 429184), (479, 428288), (896, 228962), (956, 214592), (958, 214144), (1673, 122624), (1792, 114481), (1912, 107296), (1916, 107072), (3346, 61312), (3353, 61184), (3824, 53648), (3832, 53536), (6692, 30656), (6706, 30592), (7648, 26824), (7664, 26768), (13384, 15328), (13412, 15296)]