81879644

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 188697600

約数和(自身を除く): 106817956

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 89, 103, 116, 154, 178, 203, 206, 308, 319, 356, 406, 412, 623, 638, 721, 812, 979, 1133, 1246, 1276, 1442, 1958, 2233, 2266, 2492, 2581, 2884, 2987, 3916, 4466, 4532, 5162, 5974, 6853, 7931, 8932, 9167, 10324, 11948, 13706, 15862, 18067, 18334, 20909, 27412, 28391, 31724, 32857, 36134, 36668, 41818, 56782, 64169, 65714, 72268, 83636, 100837, 113564, 128338, 131428, 198737, 201674, 229999, 256676, 265843, 397474, 403348, 459998, 531686, 705859, 794948, 919996, 1063372, 1411718, 1860901, 2823436, 2924273, 3721802, 5848546, 7443604, 11697092, 20469911, 40939822, 81879644]

約数ペア:

[(1, 81879644), (2, 40939822), (4, 20469911), (7, 11697092), (11, 7443604), (14, 5848546), (22, 3721802), (28, 2924273), (29, 2823436), (44, 1860901), (58, 1411718), (77, 1063372), (89, 919996), (103, 794948), (116, 705859), (154, 531686), (178, 459998), (203, 403348), (206, 397474), (308, 265843), (319, 256676), (356, 229999), (406, 201674), (412, 198737), (623, 131428), (638, 128338), (721, 113564), (812, 100837), (979, 83636), (1133, 72268), (1246, 65714), (1276, 64169), (1442, 56782), (1958, 41818), (2233, 36668), (2266, 36134), (2492, 32857), (2581, 31724), (2884, 28391), (2987, 27412), (3916, 20909), (4466, 18334), (4532, 18067), (5162, 15862), (5974, 13706), (6853, 11948), (7931, 10324), (8932, 9167)]