279331388

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{2749}}^1$

素因数の和:2970

約数の個数: 48

約数和(自身を含む): 591360000

約数和(自身を除く): 312028612

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 191, 266, 382, 532, 764, 1337, 2674, 2749, 3629, 5348, 5498, 7258, 10996, 14516, 19243, 25403, 38486, 50806, 52231, 76972, 101612, 104462, 208924, 365617, 525059, 731234, 1050118, 1462468, 2100236, 3675413, 7350826, 9976121, 14701652, 19952242, 39904484, 69832847, 139665694, 279331388]

約数ペア:

[(1, 279331388), (2, 139665694), (4, 69832847), (7, 39904484), (14, 19952242), (19, 14701652), (28, 9976121), (38, 7350826), (76, 3675413), (133, 2100236), (191, 1462468), (266, 1050118), (382, 731234), (532, 525059), (764, 365617), (1337, 208924), (2674, 104462), (2749, 101612), (3629, 76972), (5348, 52231), (5498, 50806), (7258, 38486), (10996, 25403), (14516, 19243)]