221428988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{48859}}^1$

素因数の和:48977

約数の個数: 24

約数和(自身を含む): 426840960

約数和(自身を除く): 205411972

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4532, 48859, 97718, 195436, 537449, 1074898, 2149796, 5032477, 10064954, 20129908, 55357247, 110714494, 221428988]

約数ペア:

[(1, 221428988), (2, 110714494), (4, 55357247), (11, 20129908), (22, 10064954), (44, 5032477), (103, 2149796), (206, 1074898), (412, 537449), (1133, 195436), (2266, 97718), (4532, 48859)]