81135488

素因数分解:

$2^7\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1091}}^1$

素因数の和:1195

約数の個数: 64

約数和(自身を含む): 187125120

約数和(自身を除く): 105989632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 166, 224, 332, 448, 581, 664, 896, 1091, 1162, 1328, 2182, 2324, 2656, 4364, 4648, 5312, 7637, 8728, 9296, 10624, 15274, 17456, 18592, 30548, 34912, 37184, 61096, 69824, 74368, 90553, 122192, 139648, 181106, 244384, 362212, 488768, 633871, 724424, 977536, 1267742, 1448848, 2535484, 2897696, 5070968, 5795392, 10141936, 11590784, 20283872, 40567744, 81135488]

約数ペア:

[(1, 81135488), (2, 40567744), (4, 20283872), (7, 11590784), (8, 10141936), (14, 5795392), (16, 5070968), (28, 2897696), (32, 2535484), (56, 1448848), (64, 1267742), (83, 977536), (112, 724424), (128, 633871), (166, 488768), (224, 362212), (332, 244384), (448, 181106), (581, 139648), (664, 122192), (896, 90553), (1091, 74368), (1162, 69824), (1328, 61096), (2182, 37184), (2324, 34912), (2656, 30548), (4364, 18592), (4648, 17456), (5312, 15274), (7637, 10624), (8728, 9296)]