16960255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 23869440

約数和(自身を除く): 6909185

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 443, 589, 1235, 2015, 2215, 2945, 5759, 7657, 8417, 13733, 28795, 38285, 42085, 68665, 109421, 178529, 260927, 547105, 892645, 1304635, 3392051, 16960255]

約数ペア:

[(1, 16960255), (5, 3392051), (13, 1304635), (19, 892645), (31, 547105), (65, 260927), (95, 178529), (155, 109421), (247, 68665), (403, 42085), (443, 38285), (589, 28795), (1235, 13733), (2015, 8417), (2215, 7657), (2945, 5759)]