81625568

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{661}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 171161424

約数和(自身を除く): 89535856

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 227, 272, 454, 544, 661, 908, 1322, 1816, 2644, 3632, 3859, 5288, 7264, 7718, 10576, 11237, 15436, 21152, 22474, 30872, 44948, 61744, 89896, 123488, 150047, 179792, 300094, 359584, 600188, 1200376, 2400752, 2550799, 4801504, 5101598, 10203196, 20406392, 40812784, 81625568]

約数ペア:

[(1, 81625568), (2, 40812784), (4, 20406392), (8, 10203196), (16, 5101598), (17, 4801504), (32, 2550799), (34, 2400752), (68, 1200376), (136, 600188), (227, 359584), (272, 300094), (454, 179792), (544, 150047), (661, 123488), (908, 89896), (1322, 61744), (1816, 44948), (2644, 30872), (3632, 22474), (3859, 21152), (5288, 15436), (7264, 11237), (7718, 10576)]