221401976

素因数分解:

$2^3\times {\mathrm{2789}}^1\times {\mathrm{9923}}^1$

素因数の和:12718

約数の個数: 16

約数和(自身を含む): 415319400

約数和(自身を除く): 193917424

約数列:

[1, 2, 4, 8, 2789, 5578, 9923, 11156, 19846, 22312, 39692, 79384, 27675247, 55350494, 110700988, 221401976]

約数ペア:

[(1, 221401976), (2, 110700988), (4, 55350494), (8, 27675247), (2789, 79384), (5578, 39692), (9923, 22312), (11156, 19846)]