266206976

素因数分解:

$2^8\times 7^1\times {\mathrm{149}}^1\times {\mathrm{997}}^1$

素因数の和:1169

約数の個数: 72

約数和(自身を含む): 611973600

約数和(自身を除く): 345766624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 149, 224, 256, 298, 448, 596, 896, 997, 1043, 1192, 1792, 1994, 2086, 2384, 3988, 4172, 4768, 6979, 7976, 8344, 9536, 13958, 15952, 16688, 19072, 27916, 31904, 33376, 38144, 55832, 63808, 66752, 111664, 127616, 133504, 148553, 223328, 255232, 267008, 297106, 446656, 594212, 893312, 1039871, 1188424, 1786624, 2079742, 2376848, 4159484, 4753696, 8318968, 9507392, 16637936, 19014784, 33275872, 38029568, 66551744, 133103488, 266206976]

約数ペア:

[(1, 266206976), (2, 133103488), (4, 66551744), (7, 38029568), (8, 33275872), (14, 19014784), (16, 16637936), (28, 9507392), (32, 8318968), (56, 4753696), (64, 4159484), (112, 2376848), (128, 2079742), (149, 1786624), (224, 1188424), (256, 1039871), (298, 893312), (448, 594212), (596, 446656), (896, 297106), (997, 267008), (1043, 255232), (1192, 223328), (1792, 148553), (1994, 133504), (2086, 127616), (2384, 111664), (3988, 66752), (4172, 63808), (4768, 55832), (6979, 38144), (7976, 33376), (8344, 31904), (9536, 27916), (13958, 19072), (15952, 16688)]