172340425

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{439}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 219985920

約数和(自身を除く): 47645495

約数列:

[1, 5, 25, 41, 205, 383, 439, 1025, 1915, 2195, 9575, 10975, 15703, 17999, 78515, 89995, 168137, 392575, 449975, 840685, 4203425, 6893617, 34468085, 172340425]

約数ペア:

[(1, 172340425), (5, 34468085), (25, 6893617), (41, 4203425), (205, 840685), (383, 449975), (439, 392575), (1025, 168137), (1915, 89995), (2195, 78515), (9575, 17999), (10975, 15703)]