31889824

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 72

約数和(自身を含む): 69815844

約数和(自身を除く): 37926020

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 61, 62, 68, 122, 124, 136, 244, 248, 272, 488, 496, 527, 544, 961, 976, 992, 1037, 1054, 1891, 1922, 1952, 2074, 2108, 3782, 3844, 4148, 4216, 7564, 7688, 8296, 8432, 15128, 15376, 16337, 16592, 16864, 30256, 30752, 32147, 32674, 33184, 58621, 60512, 64294, 65348, 117242, 128588, 130696, 234484, 257176, 261392, 468968, 514352, 522784, 937936, 996557, 1028704, 1875872, 1993114, 3986228, 7972456, 15944912, 31889824]

約数ペア:

[(1, 31889824), (2, 15944912), (4, 7972456), (8, 3986228), (16, 1993114), (17, 1875872), (31, 1028704), (32, 996557), (34, 937936), (61, 522784), (62, 514352), (68, 468968), (122, 261392), (124, 257176), (136, 234484), (244, 130696), (248, 128588), (272, 117242), (488, 65348), (496, 64294), (527, 60512), (544, 58621), (961, 33184), (976, 32674), (992, 32147), (1037, 30752), (1054, 30256), (1891, 16864), (1922, 16592), (1952, 16337), (2074, 15376), (2108, 15128), (3782, 8432), (3844, 8296), (4148, 7688), (4216, 7564)]