28769916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20147}}^1$

素因数の和:20178

約数の個数: 48

約数和(自身を含む): 81236736

約数和(自身を除く): 52466820

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 20147, 40294, 60441, 80588, 120882, 141029, 241764, 282058, 342499, 423087, 564116, 684998, 846174, 1027497, 1369996, 1692348, 2054994, 2397493, 4109988, 4794986, 7192479, 9589972, 14384958, 28769916]

約数ペア:

[(1, 28769916), (2, 14384958), (3, 9589972), (4, 7192479), (6, 4794986), (7, 4109988), (12, 2397493), (14, 2054994), (17, 1692348), (21, 1369996), (28, 1027497), (34, 846174), (42, 684998), (51, 564116), (68, 423087), (84, 342499), (102, 282058), (119, 241764), (204, 141029), (238, 120882), (357, 80588), (476, 60441), (714, 40294), (1428, 20147)]