64609775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2269}}^1$

素因数の和:2363

約数の個数: 24

約数和(自身を含む): 86132880

約数和(自身を除く): 21523105

約数列:

[1, 5, 17, 25, 67, 85, 335, 425, 1139, 1675, 2269, 5695, 11345, 28475, 38573, 56725, 152023, 192865, 760115, 964325, 2584391, 3800575, 12921955, 64609775]

約数ペア:

[(1, 64609775), (5, 12921955), (17, 3800575), (25, 2584391), (67, 964325), (85, 760115), (335, 192865), (425, 152023), (1139, 56725), (1675, 38573), (2269, 28475), (5695, 11345)]