421388032

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1153

約数の個数: 72

約数和(自身を含む): 913880576

約数和(自身を除く): 492492544

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 208, 254, 256, 416, 508, 832, 997, 1016, 1651, 1664, 1994, 2032, 3302, 3328, 3988, 4064, 6604, 7976, 8128, 12961, 13208, 15952, 16256, 25922, 26416, 31904, 32512, 51844, 52832, 63808, 103688, 105664, 126619, 127616, 207376, 211328, 253238, 255232, 414752, 422656, 506476, 829504, 1012952, 1646047, 1659008, 2025904, 3292094, 3318016, 4051808, 6584188, 8103616, 13168376, 16207232, 26336752, 32414464, 52673504, 105347008, 210694016, 421388032]

約数ペア:

[(1, 421388032), (2, 210694016), (4, 105347008), (8, 52673504), (13, 32414464), (16, 26336752), (26, 16207232), (32, 13168376), (52, 8103616), (64, 6584188), (104, 4051808), (127, 3318016), (128, 3292094), (208, 2025904), (254, 1659008), (256, 1646047), (416, 1012952), (508, 829504), (832, 506476), (997, 422656), (1016, 414752), (1651, 255232), (1664, 253238), (1994, 211328), (2032, 207376), (3302, 127616), (3328, 126619), (3988, 105664), (4064, 103688), (6604, 63808), (7976, 52832), (8128, 51844), (12961, 32512), (13208, 31904), (15952, 26416), (16256, 25922)]