131998288

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{358691}}^1$

素因数の和:358722

約数の個数: 20

約数和(自身を含む): 266866848

約数和(自身を除く): 134868560

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 358691, 717382, 1434764, 2869528, 5739056, 8249893, 16499786, 32999572, 65999144, 131998288]

約数ペア:

[(1, 131998288), (2, 65999144), (4, 32999572), (8, 16499786), (16, 8249893), (23, 5739056), (46, 2869528), (92, 1434764), (184, 717382), (368, 358691)]