81574528

素因数分解:

$2^7\times 7^1\times {\mathrm{181}}^1\times {\mathrm{503}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 187125120

約数和(自身を除く): 105550592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 181, 224, 362, 448, 503, 724, 896, 1006, 1267, 1448, 2012, 2534, 2896, 3521, 4024, 5068, 5792, 7042, 8048, 10136, 11584, 14084, 16096, 20272, 23168, 28168, 32192, 40544, 56336, 64384, 81088, 91043, 112672, 162176, 182086, 225344, 364172, 450688, 637301, 728344, 1274602, 1456688, 2549204, 2913376, 5098408, 5826752, 10196816, 11653504, 20393632, 40787264, 81574528]

約数ペア:

[(1, 81574528), (2, 40787264), (4, 20393632), (7, 11653504), (8, 10196816), (14, 5826752), (16, 5098408), (28, 2913376), (32, 2549204), (56, 1456688), (64, 1274602), (112, 728344), (128, 637301), (181, 450688), (224, 364172), (362, 225344), (448, 182086), (503, 162176), (724, 112672), (896, 91043), (1006, 81088), (1267, 64384), (1448, 56336), (2012, 40544), (2534, 32192), (2896, 28168), (3521, 23168), (4024, 20272), (5068, 16096), (5792, 14084), (7042, 11584), (8048, 10136)]