128878775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4229}}^1$

素因数の和:4315

約数の個数: 24

約数和(自身を含む): 169944480

約数和(自身を除く): 41065705

約数列:

[1, 5, 23, 25, 53, 115, 265, 575, 1219, 1325, 4229, 6095, 21145, 30475, 97267, 105725, 224137, 486335, 1120685, 2431675, 5155151, 5603425, 25775755, 128878775]

約数ペア:

[(1, 128878775), (5, 25775755), (23, 5603425), (25, 5155151), (53, 2431675), (115, 1120685), (265, 486335), (575, 224137), (1219, 105725), (1325, 97267), (4229, 30475), (6095, 21145)]