81524706

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 177914880

約数和(自身を除く): 96390174

約数列:

[1, 2, 3, 6, 19, 38, 53, 57, 103, 106, 114, 131, 159, 206, 262, 309, 318, 393, 618, 786, 1007, 1957, 2014, 2489, 3021, 3914, 4978, 5459, 5871, 6042, 6943, 7467, 10918, 11742, 13493, 13886, 14934, 16377, 20829, 26986, 32754, 40479, 41658, 80958, 103721, 131917, 207442, 256367, 263834, 311163, 395751, 512734, 622326, 715129, 769101, 791502, 1430258, 1538202, 2145387, 4290774, 13587451, 27174902, 40762353, 81524706]

約数ペア:

[(1, 81524706), (2, 40762353), (3, 27174902), (6, 13587451), (19, 4290774), (38, 2145387), (53, 1538202), (57, 1430258), (103, 791502), (106, 769101), (114, 715129), (131, 622326), (159, 512734), (206, 395751), (262, 311163), (309, 263834), (318, 256367), (393, 207442), (618, 131917), (786, 103721), (1007, 80958), (1957, 41658), (2014, 40479), (2489, 32754), (3021, 26986), (3914, 20829), (4978, 16377), (5459, 14934), (5871, 13886), (6042, 13493), (6943, 11742), (7467, 10918)]