289585565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 378846720

約数和(自身を除く): 89261155

約数列:

[1, 5, 17, 47, 85, 173, 235, 419, 799, 865, 2095, 2941, 3995, 7123, 8131, 14705, 19693, 35615, 40655, 72487, 98465, 138227, 334781, 362435, 691135, 1232279, 1673905, 3406889, 6161395, 17034445, 57917113, 289585565]

約数ペア:

[(1, 289585565), (5, 57917113), (17, 17034445), (47, 6161395), (85, 3406889), (173, 1673905), (235, 1232279), (419, 691135), (799, 362435), (865, 334781), (2095, 138227), (2941, 98465), (3995, 72487), (7123, 40655), (8131, 35615), (14705, 19693)]