278701852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{2551}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 576221184

約数和(自身を除く): 297519332

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 191, 286, 382, 572, 764, 2101, 2483, 2551, 4202, 4966, 5102, 8404, 9932, 10204, 27313, 28061, 33163, 54626, 56122, 66326, 109252, 112244, 132652, 364793, 487241, 729586, 974482, 1459172, 1948964, 5359651, 6334133, 10719302, 12668266, 21438604, 25336532, 69675463, 139350926, 278701852]

約数ペア:

[(1, 278701852), (2, 139350926), (4, 69675463), (11, 25336532), (13, 21438604), (22, 12668266), (26, 10719302), (44, 6334133), (52, 5359651), (143, 1948964), (191, 1459172), (286, 974482), (382, 729586), (572, 487241), (764, 364793), (2101, 132652), (2483, 112244), (2551, 109252), (4202, 66326), (4966, 56122), (5102, 54626), (8404, 33163), (9932, 28061), (10204, 27313)]