68697972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2081}}^1$

素因数の和:2229

約数の個数: 72

約数和(自身を含む): 200071872

約数和(自身を除く): 131373900

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 131, 252, 262, 393, 524, 786, 917, 1179, 1572, 1834, 2081, 2358, 2751, 3668, 4162, 4716, 5502, 6243, 8253, 8324, 11004, 12486, 14567, 16506, 18729, 24972, 29134, 33012, 37458, 43701, 58268, 74916, 87402, 131103, 174804, 262206, 272611, 524412, 545222, 817833, 1090444, 1635666, 1908277, 2453499, 3271332, 3816554, 4906998, 5724831, 7633108, 9813996, 11449662, 17174493, 22899324, 34348986, 68697972]

約数ペア:

[(1, 68697972), (2, 34348986), (3, 22899324), (4, 17174493), (6, 11449662), (7, 9813996), (9, 7633108), (12, 5724831), (14, 4906998), (18, 3816554), (21, 3271332), (28, 2453499), (36, 1908277), (42, 1635666), (63, 1090444), (84, 817833), (126, 545222), (131, 524412), (252, 272611), (262, 262206), (393, 174804), (524, 131103), (786, 87402), (917, 74916), (1179, 58268), (1572, 43701), (1834, 37458), (2081, 33012), (2358, 29134), (2751, 24972), (3668, 18729), (4162, 16506), (4716, 14567), (5502, 12486), (6243, 11004), (8253, 8324)]