257062988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{3347}}^1$

素因数の和:3582

約数の個数: 48

約数和(自身を含む): 556464384

約数和(自身を除く): 299401396

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 211, 364, 422, 844, 1477, 2743, 2954, 3347, 5486, 5908, 6694, 10972, 13388, 19201, 23429, 38402, 43511, 46858, 76804, 87022, 93716, 174044, 304577, 609154, 706217, 1218308, 1412434, 2824868, 4943519, 9180821, 9887038, 18361642, 19774076, 36723284, 64265747, 128531494, 257062988]

約数ペア:

[(1, 257062988), (2, 128531494), (4, 64265747), (7, 36723284), (13, 19774076), (14, 18361642), (26, 9887038), (28, 9180821), (52, 4943519), (91, 2824868), (182, 1412434), (211, 1218308), (364, 706217), (422, 609154), (844, 304577), (1477, 174044), (2743, 93716), (2954, 87022), (3347, 76804), (5486, 46858), (5908, 43511), (6694, 38402), (10972, 23429), (13388, 19201)]