4480385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 6800640

約数和(自身を除く): 2320255

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 229, 301, 455, 559, 1145, 1505, 1603, 2795, 2977, 3913, 8015, 9847, 14885, 19565, 20839, 49235, 68929, 104195, 128011, 344645, 640055, 896077, 4480385]

約数ペア:

[(1, 4480385), (5, 896077), (7, 640055), (13, 344645), (35, 128011), (43, 104195), (65, 68929), (91, 49235), (215, 20839), (229, 19565), (301, 14885), (455, 9847), (559, 8015), (1145, 3913), (1505, 2977), (1603, 2795)]