210644785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 279272448

約数和(自身を除く): 68627663

約数列:

[1, 5, 13, 65, 73, 103, 365, 431, 515, 949, 1339, 2155, 4745, 5603, 6695, 7519, 28015, 31463, 37595, 44393, 97747, 157315, 221965, 409019, 488735, 577109, 2045095, 2885545, 3240689, 16203445, 42128957, 210644785]

約数ペア:

[(1, 210644785), (5, 42128957), (13, 16203445), (65, 3240689), (73, 2885545), (103, 2045095), (365, 577109), (431, 488735), (515, 409019), (949, 221965), (1339, 157315), (2155, 97747), (4745, 44393), (5603, 37595), (6695, 31463), (7519, 28015)]