278512426244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{2521}}^1\times {\mathrm{4327}}^1$

素因数の和:7356

約数の個数: 48

約数和(自身を含む): 526288054656

約数和(自身を除く): 247775628412

約数列:

[1, 2, 4, 13, 26, 52, 491, 982, 1964, 2521, 4327, 5042, 6383, 8654, 10084, 12766, 17308, 25532, 32773, 56251, 65546, 112502, 131092, 225004, 1237811, 2124557, 2475622, 4249114, 4951244, 8498228, 10908367, 16091543, 21816734, 27619241, 32183086, 43633468, 55238482, 64366172, 110476964, 141808771, 283617542, 567235084, 5356008197, 10712016394, 21424032788, 69628106561, 139256213122, 278512426244]

約数ペア:

[(1, 278512426244), (2, 139256213122), (4, 69628106561), (13, 21424032788), (26, 10712016394), (52, 5356008197), (491, 567235084), (982, 283617542), (1964, 141808771), (2521, 110476964), (4327, 64366172), (5042, 55238482), (6383, 43633468), (8654, 32183086), (10084, 27619241), (12766, 21816734), (17308, 16091543), (25532, 10908367), (32773, 8498228), (56251, 4951244), (65546, 4249114), (112502, 2475622), (131092, 2124557), (225004, 1237811)]