289330384

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{20341}}^1$

素因数の和:20483

約数の個数: 40

約数和(自身を含む): 645736448

約数和(自身を除く): 356406064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 3556, 7112, 14224, 20341, 40682, 81364, 142387, 162728, 284774, 325456, 569548, 1139096, 2278192, 2583307, 5166614, 10333228, 18083149, 20666456, 36166298, 41332912, 72332596, 144665192, 289330384]

約数ペア:

[(1, 289330384), (2, 144665192), (4, 72332596), (7, 41332912), (8, 36166298), (14, 20666456), (16, 18083149), (28, 10333228), (56, 5166614), (112, 2583307), (127, 2278192), (254, 1139096), (508, 569548), (889, 325456), (1016, 284774), (1778, 162728), (2032, 142387), (3556, 81364), (7112, 40682), (14224, 20341)]