128523890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1168399}}^1$

素因数の和:1168417

約数の個数: 16

約数和(自身を含む): 252374400

約数和(自身を除く): 123850510

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1168399, 2336798, 5841995, 11683990, 12852389, 25704778, 64261945, 128523890]

約数ペア:

[(1, 128523890), (2, 64261945), (5, 25704778), (10, 12852389), (11, 11683990), (22, 5841995), (55, 2336798), (110, 1168399)]