8725864

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 20160000

約数和(自身を除く): 11434136

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 59, 76, 118, 133, 139, 152, 236, 266, 278, 413, 472, 532, 556, 826, 973, 1064, 1112, 1121, 1652, 1946, 2242, 2641, 3304, 3892, 4484, 5282, 7784, 7847, 8201, 8968, 10564, 15694, 16402, 18487, 21128, 31388, 32804, 36974, 57407, 62776, 65608, 73948, 114814, 147896, 155819, 229628, 311638, 459256, 623276, 1090733, 1246552, 2181466, 4362932, 8725864]

約数ペア:

[(1, 8725864), (2, 4362932), (4, 2181466), (7, 1246552), (8, 1090733), (14, 623276), (19, 459256), (28, 311638), (38, 229628), (56, 155819), (59, 147896), (76, 114814), (118, 73948), (133, 65608), (139, 62776), (152, 57407), (236, 36974), (266, 32804), (278, 31388), (413, 21128), (472, 18487), (532, 16402), (556, 15694), (826, 10564), (973, 8968), (1064, 8201), (1112, 7847), (1121, 7784), (1652, 5282), (1946, 4484), (2242, 3892), (2641, 3304)]