227291275

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:400

約数の個数: 36

約数和(自身を含む): 302792872

約数和(自身を除く): 75501597

約数列:

[1, 5, 17, 25, 85, 163, 193, 289, 425, 815, 965, 1445, 2771, 3281, 4075, 4825, 7225, 13855, 16405, 31459, 47107, 55777, 69275, 82025, 157295, 235535, 278885, 534803, 786475, 1177675, 1394425, 2674015, 9091651, 13370075, 45458255, 227291275]

約数ペア:

[(1, 227291275), (5, 45458255), (17, 13370075), (25, 9091651), (85, 2674015), (163, 1394425), (193, 1177675), (289, 786475), (425, 534803), (815, 278885), (965, 235535), (1445, 157295), (2771, 82025), (3281, 69275), (4075, 55777), (4825, 47107), (7225, 31459), (13855, 16405)]