128771804

素因数分解:

$2^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{5521}}^1$

素因数の和:5563

約数の個数: 48

約数和(自身を含む): 278308800

約数和(自身を除く): 149536996

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 343, 476, 686, 833, 1372, 1666, 3332, 5521, 5831, 11042, 11662, 22084, 23324, 38647, 77294, 93857, 154588, 187714, 270529, 375428, 541058, 656999, 1082116, 1313998, 1893703, 2627996, 3787406, 4598993, 7574812, 9197986, 18395972, 32192951, 64385902, 128771804]

約数ペア:

[(1, 128771804), (2, 64385902), (4, 32192951), (7, 18395972), (14, 9197986), (17, 7574812), (28, 4598993), (34, 3787406), (49, 2627996), (68, 1893703), (98, 1313998), (119, 1082116), (196, 656999), (238, 541058), (343, 375428), (476, 270529), (686, 187714), (833, 154588), (1372, 93857), (1666, 77294), (3332, 38647), (5521, 23324), (5831, 22084), (11042, 11662)]