25190685

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 50286600

約数和(自身を除く): 25095915

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 149, 153, 195, 221, 255, 289, 447, 585, 663, 745, 765, 867, 1105, 1341, 1445, 1937, 1989, 2235, 2533, 2601, 3315, 3757, 4335, 5811, 6705, 7599, 9685, 9945, 11271, 12665, 13005, 17433, 18785, 22797, 29055, 32929, 33813, 37995, 43061, 56355, 87165, 98787, 113985, 129183, 164645, 169065, 215305, 296361, 387549, 493935, 559793, 645915, 1481805, 1679379, 1937745, 2798965, 5038137, 8396895, 25190685]

約数ペア:

[(1, 25190685), (3, 8396895), (5, 5038137), (9, 2798965), (13, 1937745), (15, 1679379), (17, 1481805), (39, 645915), (45, 559793), (51, 493935), (65, 387549), (85, 296361), (117, 215305), (149, 169065), (153, 164645), (195, 129183), (221, 113985), (255, 98787), (289, 87165), (447, 56355), (585, 43061), (663, 37995), (745, 33813), (765, 32929), (867, 29055), (1105, 22797), (1341, 18785), (1445, 17433), (1937, 13005), (1989, 12665), (2235, 11271), (2533, 9945), (2601, 9685), (3315, 7599), (3757, 6705), (4335, 5811)]