54628225

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{7561}}^1$

素因数の和:7605

約数の個数: 18

約数和(自身を含む): 71967554

約数和(自身を除く): 17339329

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 7561, 37805, 128537, 189025, 642685, 2185129, 3213425, 10925645, 54628225]

約数ペア:

[(1, 54628225), (5, 10925645), (17, 3213425), (25, 2185129), (85, 642685), (289, 189025), (425, 128537), (1445, 37805), (7225, 7561)]