128639664

素因数分解:

$2^4\times 3^4\times {\mathrm{99259}}^1$

素因数の和:99279

約数の個数: 50

約数和(自身を含む): 372324260

約数和(自身を除く): 243684596

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 99259, 198518, 297777, 397036, 595554, 794072, 893331, 1191108, 1588144, 1786662, 2382216, 2679993, 3573324, 4764432, 5359986, 7146648, 8039979, 10719972, 14293296, 16079958, 21439944, 32159916, 42879888, 64319832, 128639664]

約数ペア:

[(1, 128639664), (2, 64319832), (3, 42879888), (4, 32159916), (6, 21439944), (8, 16079958), (9, 14293296), (12, 10719972), (16, 8039979), (18, 7146648), (24, 5359986), (27, 4764432), (36, 3573324), (48, 2679993), (54, 2382216), (72, 1786662), (81, 1588144), (108, 1191108), (144, 893331), (162, 794072), (216, 595554), (324, 397036), (432, 297777), (648, 198518), (1296, 99259)]