25286055

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 45386880

約数和(自身を除く): 20100825

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 289, 307, 323, 867, 921, 969, 1445, 1535, 1615, 4335, 4605, 4845, 5219, 5491, 5833, 15657, 16473, 17499, 26095, 27455, 29165, 78285, 82365, 87495, 88723, 99161, 266169, 297483, 443615, 495805, 1330845, 1487415, 1685737, 5057211, 8428685, 25286055]

約数ペア:

[(1, 25286055), (3, 8428685), (5, 5057211), (15, 1685737), (17, 1487415), (19, 1330845), (51, 495805), (57, 443615), (85, 297483), (95, 266169), (255, 99161), (285, 88723), (289, 87495), (307, 82365), (323, 78285), (867, 29165), (921, 27455), (969, 26095), (1445, 17499), (1535, 16473), (1615, 15657), (4335, 5833), (4605, 5491), (4845, 5219)]