28460285

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 40303872

約数和(自身を除く): 11843587

約数列:

[1, 5, 7, 35, 83, 97, 101, 415, 485, 505, 581, 679, 707, 2905, 3395, 3535, 8051, 8383, 9797, 40255, 41915, 48985, 56357, 58681, 68579, 281785, 293405, 342895, 813151, 4065755, 5692057, 28460285]

約数ペア:

[(1, 28460285), (5, 5692057), (7, 4065755), (35, 813151), (83, 342895), (97, 293405), (101, 281785), (415, 68579), (485, 58681), (505, 56357), (581, 48985), (679, 41915), (707, 40255), (2905, 9797), (3395, 8383), (3535, 8051)]