216976355

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 282579840

約数和(自身を除く): 65603485

約数列:

[1, 5, 17, 71, 85, 157, 229, 355, 785, 1145, 1207, 2669, 3893, 6035, 11147, 13345, 16259, 19465, 35953, 55735, 81295, 179765, 189499, 276403, 611201, 947495, 1382015, 2552663, 3056005, 12763315, 43395271, 216976355]

約数ペア:

[(1, 216976355), (5, 43395271), (17, 12763315), (71, 3056005), (85, 2552663), (157, 1382015), (229, 947495), (355, 611201), (785, 276403), (1145, 189499), (1207, 179765), (2669, 81295), (3893, 55735), (6035, 35953), (11147, 19465), (13345, 16259)]