81458944

素因数分解:

$2^8\times 7^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 187786368

約数和(自身を除く): 106327424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 131, 224, 256, 262, 347, 448, 524, 694, 896, 917, 1048, 1388, 1792, 1834, 2096, 2429, 2776, 3668, 4192, 4858, 5552, 7336, 8384, 9716, 11104, 14672, 16768, 19432, 22208, 29344, 33536, 38864, 44416, 45457, 58688, 77728, 88832, 90914, 117376, 155456, 181828, 234752, 310912, 318199, 363656, 621824, 636398, 727312, 1272796, 1454624, 2545592, 2909248, 5091184, 5818496, 10182368, 11636992, 20364736, 40729472, 81458944]

約数ペア:

[(1, 81458944), (2, 40729472), (4, 20364736), (7, 11636992), (8, 10182368), (14, 5818496), (16, 5091184), (28, 2909248), (32, 2545592), (56, 1454624), (64, 1272796), (112, 727312), (128, 636398), (131, 621824), (224, 363656), (256, 318199), (262, 310912), (347, 234752), (448, 181828), (524, 155456), (694, 117376), (896, 90914), (917, 88832), (1048, 77728), (1388, 58688), (1792, 45457), (1834, 44416), (2096, 38864), (2429, 33536), (2776, 29344), (3668, 22208), (4192, 19432), (4858, 16768), (5552, 14672), (7336, 11104), (8384, 9716)]