256389372

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^2\times {\mathrm{13463}}^1$

素因数の和:13519

約数の個数: 54

約数和(自身を含む): 677548872

約数和(自身を除く): 421159500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 529, 828, 1058, 1587, 2116, 3174, 4761, 6348, 9522, 13463, 19044, 26926, 40389, 53852, 80778, 121167, 161556, 242334, 309649, 484668, 619298, 928947, 1238596, 1857894, 2786841, 3715788, 5573682, 7121927, 11147364, 14243854, 21365781, 28487708, 42731562, 64097343, 85463124, 128194686, 256389372]

約数ペア:

[(1, 256389372), (2, 128194686), (3, 85463124), (4, 64097343), (6, 42731562), (9, 28487708), (12, 21365781), (18, 14243854), (23, 11147364), (36, 7121927), (46, 5573682), (69, 3715788), (92, 2786841), (138, 1857894), (207, 1238596), (276, 928947), (414, 619298), (529, 484668), (828, 309649), (1058, 242334), (1587, 161556), (2116, 121167), (3174, 80778), (4761, 53852), (6348, 40389), (9522, 26926), (13463, 19044)]