28704326

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^2$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 54389760

約数和(自身を除く): 25685434

約数列:

[1, 2, 7, 14, 19, 31, 38, 59, 62, 118, 133, 217, 266, 413, 434, 589, 826, 1121, 1178, 1829, 2242, 3481, 3658, 4123, 6962, 7847, 8246, 12803, 15694, 24367, 25606, 34751, 48734, 66139, 69502, 107911, 132278, 215822, 243257, 462973, 486514, 755377, 925946, 1510754, 2050309, 4100618, 14352163, 28704326]

約数ペア:

[(1, 28704326), (2, 14352163), (7, 4100618), (14, 2050309), (19, 1510754), (31, 925946), (38, 755377), (59, 486514), (62, 462973), (118, 243257), (133, 215822), (217, 132278), (266, 107911), (413, 69502), (434, 66139), (589, 48734), (826, 34751), (1121, 25606), (1178, 24367), (1829, 15694), (2242, 12803), (3481, 8246), (3658, 7847), (4123, 6962)]