280431298

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{55487}}^1$

素因数の和:55534

約数の個数: 24

約数和(自身を含む): 507382272

約数和(自身を除く): 226950974

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 55487, 110974, 388409, 776818, 1054253, 2108506, 7379771, 14759542, 20030807, 40061614, 140215649, 280431298]

約数ペア:

[(1, 280431298), (2, 140215649), (7, 40061614), (14, 20030807), (19, 14759542), (38, 7379771), (133, 2108506), (266, 1054253), (361, 776818), (722, 388409), (2527, 110974), (5054, 55487)]