257424498

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{1787}}^1$

素因数の和:1999

約数の個数: 48

約数和(自身を含む): 572360256

約数和(自身を除く): 314935758

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 151, 159, 302, 318, 453, 477, 906, 954, 1359, 1787, 2718, 3574, 5361, 8003, 10722, 16006, 16083, 24009, 32166, 48018, 72027, 94711, 144054, 189422, 269837, 284133, 539674, 568266, 809511, 852399, 1619022, 1704798, 2428533, 4857066, 14301361, 28602722, 42904083, 85808166, 128712249, 257424498]

約数ペア:

[(1, 257424498), (2, 128712249), (3, 85808166), (6, 42904083), (9, 28602722), (18, 14301361), (53, 4857066), (106, 2428533), (151, 1704798), (159, 1619022), (302, 852399), (318, 809511), (453, 568266), (477, 539674), (906, 284133), (954, 269837), (1359, 189422), (1787, 144054), (2718, 94711), (3574, 72027), (5361, 48018), (8003, 32166), (10722, 24009), (16006, 16083)]