215254984

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{23017}}^1$

素因数の和:23197

約数の個数: 32

約数和(自身を含む): 464042880

約数和(自身を除く): 248787896

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2338, 4676, 9352, 23017, 46034, 92068, 161119, 184136, 322238, 644476, 1288952, 3843839, 7687678, 15375356, 26906873, 30750712, 53813746, 107627492, 215254984]

約数ペア:

[(1, 215254984), (2, 107627492), (4, 53813746), (7, 30750712), (8, 26906873), (14, 15375356), (28, 7687678), (56, 3843839), (167, 1288952), (334, 644476), (668, 322238), (1169, 184136), (1336, 161119), (2338, 92068), (4676, 46034), (9352, 23017)]