256436206256

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1801}}^1\times {\mathrm{9437}}^1$

素因数の和:11310

約数の個数: 80

約数和(自身を含む): 531443360448

約数和(自身を除く): 275007154192

約数列:

[1, 2, 4, 8, 16, 23, 41, 46, 82, 92, 164, 184, 328, 368, 656, 943, 1801, 1886, 3602, 3772, 7204, 7544, 9437, 14408, 15088, 18874, 28816, 37748, 41423, 73841, 75496, 82846, 147682, 150992, 165692, 217051, 295364, 331384, 386917, 434102, 590728, 662768, 773834, 868204, 1181456, 1547668, 1698343, 1736408, 3095336, 3396686, 3472816, 6190672, 6793372, 8899091, 13586744, 16996037, 17798182, 27173488, 33992074, 35596364, 67984148, 71192728, 135968296, 142385456, 271936592, 390908851, 696837517, 781817702, 1393675034, 1563635404, 2787350068, 3127270808, 5574700136, 6254541616, 11149400272, 16027262891, 32054525782, 64109051564, 128218103128, 256436206256]

約数ペア:

[(1, 256436206256), (2, 128218103128), (4, 64109051564), (8, 32054525782), (16, 16027262891), (23, 11149400272), (41, 6254541616), (46, 5574700136), (82, 3127270808), (92, 2787350068), (164, 1563635404), (184, 1393675034), (328, 781817702), (368, 696837517), (656, 390908851), (943, 271936592), (1801, 142385456), (1886, 135968296), (3602, 71192728), (3772, 67984148), (7204, 35596364), (7544, 33992074), (9437, 27173488), (14408, 17798182), (15088, 16996037), (18874, 13586744), (28816, 8899091), (37748, 6793372), (41423, 6190672), (73841, 3472816), (75496, 3396686), (82846, 3095336), (147682, 1736408), (150992, 1698343), (165692, 1547668), (217051, 1181456), (295364, 868204), (331384, 773834), (386917, 662768), (434102, 590728)]