213156778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 372314880

約数和(自身を除く): 159158102

約数列:

[1, 2, 17, 23, 34, 37, 46, 53, 74, 106, 139, 278, 391, 629, 782, 851, 901, 1219, 1258, 1702, 1802, 1961, 2363, 2438, 3197, 3922, 4726, 5143, 6394, 7367, 10286, 14467, 14734, 20723, 28934, 33337, 41446, 45103, 54349, 66674, 87431, 90206, 108698, 118289, 125239, 169441, 174862, 236578, 250478, 272579, 338882, 545158, 766751, 1533502, 2010913, 2880497, 4021826, 4633843, 5760994, 6269317, 9267686, 12538634, 106578389, 213156778]

約数ペア:

[(1, 213156778), (2, 106578389), (17, 12538634), (23, 9267686), (34, 6269317), (37, 5760994), (46, 4633843), (53, 4021826), (74, 2880497), (106, 2010913), (139, 1533502), (278, 766751), (391, 545158), (629, 338882), (782, 272579), (851, 250478), (901, 236578), (1219, 174862), (1258, 169441), (1702, 125239), (1802, 118289), (1961, 108698), (2363, 90206), (2438, 87431), (3197, 66674), (3922, 54349), (4726, 45103), (5143, 41446), (6394, 33337), (7367, 28934), (10286, 20723), (14467, 14734)]