28070296895

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{947}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 36440035488

約数和(自身を除く): 8369738593

約数列:

[1, 5, 17, 73, 85, 281, 289, 365, 947, 1241, 1405, 1445, 4735, 4777, 6205, 16099, 20513, 21097, 23885, 69131, 80495, 81209, 102565, 105485, 266107, 273683, 345655, 348721, 406045, 1175227, 1330535, 1368415, 1743605, 4523819, 5876135, 5928257, 19425811, 19978859, 22619095, 29641285, 76904923, 97129055, 99894295, 330238787, 384524615, 1651193935, 5614059379, 28070296895]

約数ペア:

[(1, 28070296895), (5, 5614059379), (17, 1651193935), (73, 384524615), (85, 330238787), (281, 99894295), (289, 97129055), (365, 76904923), (947, 29641285), (1241, 22619095), (1405, 19978859), (1445, 19425811), (4735, 5928257), (4777, 5876135), (6205, 4523819), (16099, 1743605), (20513, 1368415), (21097, 1330535), (23885, 1175227), (69131, 406045), (80495, 348721), (81209, 345655), (102565, 273683), (105485, 266107)]