12961321856

素因数分解:

$2^7\times 7^1\times {\mathrm{163}}^1\times {\mathrm{88747}}^1$

素因数の和:88931

約数の個数: 64

約数和(自身を含む): 29691530880

約数和(自身を除く): 16730209024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 163, 224, 326, 448, 652, 896, 1141, 1304, 2282, 2608, 4564, 5216, 9128, 10432, 18256, 20864, 36512, 73024, 88747, 146048, 177494, 354988, 621229, 709976, 1242458, 1419952, 2484916, 2839904, 4969832, 5679808, 9939664, 11359616, 14465761, 19879328, 28931522, 39758656, 57863044, 79517312, 101260327, 115726088, 202520654, 231452176, 405041308, 462904352, 810082616, 925808704, 1620165232, 1851617408, 3240330464, 6480660928, 12961321856]

約数ペア:

[(1, 12961321856), (2, 6480660928), (4, 3240330464), (7, 1851617408), (8, 1620165232), (14, 925808704), (16, 810082616), (28, 462904352), (32, 405041308), (56, 231452176), (64, 202520654), (112, 115726088), (128, 101260327), (163, 79517312), (224, 57863044), (326, 39758656), (448, 28931522), (652, 19879328), (896, 14465761), (1141, 11359616), (1304, 9939664), (2282, 5679808), (2608, 4969832), (4564, 2839904), (5216, 2484916), (9128, 1419952), (10432, 1242458), (18256, 709976), (20864, 621229), (36512, 354988), (73024, 177494), (88747, 146048)]