26978287

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 33997824

約数和(自身を除く): 7019537

約数列:

[1, 7, 23, 41, 61, 67, 161, 287, 427, 469, 943, 1403, 1541, 2501, 2747, 4087, 6601, 9821, 10787, 17507, 19229, 28609, 57523, 63181, 94001, 167567, 402661, 442267, 658007, 1172969, 3854041, 26978287]

約数ペア:

[(1, 26978287), (7, 3854041), (23, 1172969), (41, 658007), (61, 442267), (67, 402661), (161, 167567), (287, 94001), (427, 63181), (469, 57523), (943, 28609), (1403, 19229), (1541, 17507), (2501, 10787), (2747, 9821), (4087, 6601)]