215710307

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 244629504

約数和(自身を除く): 28919197

約数列:

[1, 23, 31, 41, 47, 157, 713, 943, 1081, 1271, 1457, 1927, 3611, 4867, 6437, 7379, 29233, 33511, 44321, 59737, 111941, 148051, 169717, 199547, 228749, 302539, 1373951, 4589581, 5261227, 6958397, 9378709, 215710307]

約数ペア:

[(1, 215710307), (23, 9378709), (31, 6958397), (41, 5261227), (47, 4589581), (157, 1373951), (713, 302539), (943, 228749), (1081, 199547), (1271, 169717), (1457, 148051), (1927, 111941), (3611, 59737), (4867, 44321), (6437, 33511), (7379, 29233)]