28190318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 24064402

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 47, 59, 94, 118, 221, 299, 391, 442, 598, 611, 767, 782, 799, 1003, 1081, 1222, 1357, 1534, 1598, 2006, 2162, 2714, 2773, 5083, 5546, 10166, 10387, 13039, 14053, 17641, 18377, 20774, 23069, 26078, 28106, 35282, 36049, 36754, 46138, 47141, 63779, 72098, 94282, 127558, 238901, 299897, 477802, 599794, 612833, 829127, 1084243, 1225666, 1658254, 2168486, 14095159, 28190318]

約数ペア:

[(1, 28190318), (2, 14095159), (13, 2168486), (17, 1658254), (23, 1225666), (26, 1084243), (34, 829127), (46, 612833), (47, 599794), (59, 477802), (94, 299897), (118, 238901), (221, 127558), (299, 94282), (391, 72098), (442, 63779), (598, 47141), (611, 46138), (767, 36754), (782, 36049), (799, 35282), (1003, 28106), (1081, 26078), (1222, 23069), (1357, 20774), (1534, 18377), (1598, 17641), (2006, 14053), (2162, 13039), (2714, 10387), (2773, 10166), (5083, 5546)]