261329120636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1291}}^1\times {\mathrm{26371}}^1$

素因数の和:27786

約数の個数: 48

約数和(自身を含む): 486557070720

約数和(自身を除く): 225227950084

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 1291, 1919, 2582, 3838, 5164, 7676, 24529, 26371, 49058, 52742, 98116, 105484, 130391, 260782, 501049, 521564, 1002098, 2004196, 2477429, 2663471, 4954858, 5326942, 9909716, 10653884, 34044961, 50605949, 68089922, 101211898, 136179844, 202423796, 646854259, 1293708518, 2587417036, 3438541061, 6877082122, 13754164244, 65332280159, 130664560318, 261329120636]

約数ペア:

[(1, 261329120636), (2, 130664560318), (4, 65332280159), (19, 13754164244), (38, 6877082122), (76, 3438541061), (101, 2587417036), (202, 1293708518), (404, 646854259), (1291, 202423796), (1919, 136179844), (2582, 101211898), (3838, 68089922), (5164, 50605949), (7676, 34044961), (24529, 10653884), (26371, 9909716), (49058, 5326942), (52742, 4954858), (98116, 2663471), (105484, 2477429), (130391, 2004196), (260782, 1002098), (501049, 521564)]