220524241

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 273024000

約数和(自身を除く): 52499759

約数列:

[1, 7, 19, 59, 133, 157, 179, 413, 1099, 1121, 1253, 2983, 3401, 7847, 9263, 10561, 20881, 23807, 28103, 64841, 73927, 175997, 196721, 200659, 533957, 1231979, 1404613, 1658077, 3737699, 11606539, 31503463, 220524241]

約数ペア:

[(1, 220524241), (7, 31503463), (19, 11606539), (59, 3737699), (133, 1658077), (157, 1404613), (179, 1231979), (413, 533957), (1099, 200659), (1121, 196721), (1253, 175997), (2983, 73927), (3401, 64841), (7847, 28103), (9263, 23807), (10561, 20881)]