261593584

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:542

約数の個数: 80

約数和(自身を含む): 596533248

約数和(自身を除く): 334939664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 127, 212, 254, 347, 371, 424, 508, 694, 742, 848, 889, 1016, 1388, 1484, 1778, 2032, 2429, 2776, 2968, 3556, 4858, 5552, 5936, 6731, 7112, 9716, 13462, 14224, 18391, 19432, 26924, 36782, 38864, 44069, 47117, 53848, 73564, 88138, 94234, 107696, 128737, 147128, 176276, 188468, 257474, 294256, 308483, 352552, 376936, 514948, 616966, 705104, 753872, 1029896, 1233932, 2059792, 2335657, 2467864, 4671314, 4935728, 9342628, 16349599, 18685256, 32699198, 37370512, 65398396, 130796792, 261593584]

約数ペア:

[(1, 261593584), (2, 130796792), (4, 65398396), (7, 37370512), (8, 32699198), (14, 18685256), (16, 16349599), (28, 9342628), (53, 4935728), (56, 4671314), (106, 2467864), (112, 2335657), (127, 2059792), (212, 1233932), (254, 1029896), (347, 753872), (371, 705104), (424, 616966), (508, 514948), (694, 376936), (742, 352552), (848, 308483), (889, 294256), (1016, 257474), (1388, 188468), (1484, 176276), (1778, 147128), (2032, 128737), (2429, 107696), (2776, 94234), (2968, 88138), (3556, 73564), (4858, 53848), (5552, 47117), (5936, 44069), (6731, 38864), (7112, 36782), (9716, 26924), (13462, 19432), (14224, 18391)]