27891164

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 59404800

約数和(自身を除く): 31513636

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 103, 133, 206, 266, 412, 509, 532, 721, 1018, 1442, 1957, 2036, 2884, 3563, 3914, 7126, 7828, 9671, 13699, 14252, 19342, 27398, 38684, 52427, 54796, 67697, 104854, 135394, 209708, 270788, 366989, 733978, 996113, 1467956, 1992226, 3984452, 6972791, 13945582, 27891164]

約数ペア:

[(1, 27891164), (2, 13945582), (4, 6972791), (7, 3984452), (14, 1992226), (19, 1467956), (28, 996113), (38, 733978), (76, 366989), (103, 270788), (133, 209708), (206, 135394), (266, 104854), (412, 67697), (509, 54796), (532, 52427), (721, 38684), (1018, 27398), (1442, 19342), (1957, 14252), (2036, 13699), (2884, 9671), (3563, 7828), (3914, 7126)]