25256187

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 43430400

約数和(自身を除く): 18174213

約数列:

[1, 3, 9, 11, 19, 29, 33, 57, 87, 99, 171, 209, 261, 319, 463, 551, 627, 957, 1389, 1653, 1881, 2871, 4167, 4959, 5093, 6061, 8797, 13427, 15279, 18183, 26391, 40281, 45837, 54549, 79173, 96767, 120843, 147697, 255113, 290301, 443091, 765339, 870903, 1329273, 2296017, 2806243, 8418729, 25256187]

約数ペア:

[(1, 25256187), (3, 8418729), (9, 2806243), (11, 2296017), (19, 1329273), (29, 870903), (33, 765339), (57, 443091), (87, 290301), (99, 255113), (171, 147697), (209, 120843), (261, 96767), (319, 79173), (463, 54549), (551, 45837), (627, 40281), (957, 26391), (1389, 18183), (1653, 15279), (1881, 13427), (2871, 8797), (4167, 6061), (4959, 5093)]