71656816

素因数分解:

$2^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1187}}^1$

素因数の和:1227

約数の個数: 80

約数和(自身を含む): 176774400

約数和(自身を除く): 105117584

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 343, 392, 539, 616, 686, 784, 1078, 1187, 1232, 1372, 2156, 2374, 2744, 3773, 4312, 4748, 5488, 7546, 8309, 8624, 9496, 13057, 15092, 16618, 18992, 26114, 30184, 33236, 52228, 58163, 60368, 66472, 91399, 104456, 116326, 132944, 182798, 208912, 232652, 365596, 407141, 465304, 639793, 731192, 814282, 930608, 1279586, 1462384, 1628564, 2559172, 3257128, 4478551, 5118344, 6514256, 8957102, 10236688, 17914204, 35828408, 71656816]

約数ペア:

[(1, 71656816), (2, 35828408), (4, 17914204), (7, 10236688), (8, 8957102), (11, 6514256), (14, 5118344), (16, 4478551), (22, 3257128), (28, 2559172), (44, 1628564), (49, 1462384), (56, 1279586), (77, 930608), (88, 814282), (98, 731192), (112, 639793), (154, 465304), (176, 407141), (196, 365596), (308, 232652), (343, 208912), (392, 182798), (539, 132944), (616, 116326), (686, 104456), (784, 91399), (1078, 66472), (1187, 60368), (1232, 58163), (1372, 52228), (2156, 33236), (2374, 30184), (2744, 26114), (3773, 18992), (4312, 16618), (4748, 15092), (5488, 13057), (7546, 9496), (8309, 8624)]