28426970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 61012224

約数和(自身を除く): 32585254

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 103, 110, 130, 143, 193, 206, 286, 386, 515, 715, 965, 1030, 1133, 1339, 1430, 1930, 2123, 2266, 2509, 2678, 4246, 5018, 5665, 6695, 10615, 11330, 12545, 13390, 14729, 19879, 21230, 25090, 27599, 29458, 39758, 55198, 73645, 99395, 137995, 147290, 198790, 218669, 258427, 275990, 437338, 516854, 1093345, 1292135, 2186690, 2584270, 2842697, 5685394, 14213485, 28426970]

約数ペア:

[(1, 28426970), (2, 14213485), (5, 5685394), (10, 2842697), (11, 2584270), (13, 2186690), (22, 1292135), (26, 1093345), (55, 516854), (65, 437338), (103, 275990), (110, 258427), (130, 218669), (143, 198790), (193, 147290), (206, 137995), (286, 99395), (386, 73645), (515, 55198), (715, 39758), (965, 29458), (1030, 27599), (1133, 25090), (1339, 21230), (1430, 19879), (1930, 14729), (2123, 13390), (2266, 12545), (2509, 11330), (2678, 10615), (4246, 6695), (5018, 5665)]