2003638505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{373}}^1\times {\mathrm{967}}^1$

素因数の和:1457

約数の個数: 32

約数和(自身を含む): 2658763008

約数和(自身を除く): 655124503

約数列:

[1, 5, 11, 55, 101, 373, 505, 967, 1111, 1865, 4103, 4835, 5555, 10637, 20515, 37673, 53185, 97667, 188365, 360691, 414403, 488335, 1074337, 1803455, 2072015, 3967601, 5371685, 19838005, 36429791, 182148955, 400727701, 2003638505]

約数ペア:

[(1, 2003638505), (5, 400727701), (11, 182148955), (55, 36429791), (101, 19838005), (373, 5371685), (505, 3967601), (967, 2072015), (1111, 1803455), (1865, 1074337), (4103, 488335), (4835, 414403), (5555, 360691), (10637, 188365), (20515, 97667), (37673, 53185)]