202538425

素因数分解:

$5^2\times {\mathrm{17}}^4\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 30

約数和(自身を含む): 269595158

約数和(自身を除く): 67056733

約数列:

[1, 5, 17, 25, 85, 97, 289, 425, 485, 1445, 1649, 2425, 4913, 7225, 8245, 24565, 28033, 41225, 83521, 122825, 140165, 417605, 476561, 700825, 2088025, 2382805, 8101537, 11914025, 40507685, 202538425]

約数ペア:

[(1, 202538425), (5, 40507685), (17, 11914025), (25, 8101537), (85, 2382805), (97, 2088025), (289, 700825), (425, 476561), (485, 417605), (1445, 140165), (1649, 122825), (2425, 83521), (4913, 41225), (7225, 28033), (8245, 24565)]