28157078404

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{392663}}^1$

素因数の和:392884

約数の個数: 48

約数和(自身を含む): 60954018048

約数和(自身を除く): 32796939644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 197, 364, 394, 788, 1379, 2561, 2758, 5122, 5516, 10244, 17927, 35854, 71708, 392663, 785326, 1570652, 2748641, 5104619, 5497282, 10209238, 10994564, 20418476, 35732333, 71464666, 77354611, 142929332, 154709222, 309418444, 541482277, 1005609943, 1082964554, 2011219886, 2165929108, 4022439772, 7039269601, 14078539202, 28157078404]

約数ペア:

[(1, 28157078404), (2, 14078539202), (4, 7039269601), (7, 4022439772), (13, 2165929108), (14, 2011219886), (26, 1082964554), (28, 1005609943), (52, 541482277), (91, 309418444), (182, 154709222), (197, 142929332), (364, 77354611), (394, 71464666), (788, 35732333), (1379, 20418476), (2561, 10994564), (2758, 10209238), (5122, 5497282), (5516, 5104619), (10244, 2748641), (17927, 1570652), (35854, 785326), (71708, 392663)]