28318316

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:450

約数の個数: 36

約数和(自身を含む): 54201672

約数和(自身を除く): 25883356

約数列:

[1, 2, 4, 13, 26, 52, 163, 169, 257, 326, 338, 514, 652, 676, 1028, 2119, 3341, 4238, 6682, 8476, 13364, 27547, 41891, 43433, 55094, 83782, 86866, 110188, 167564, 173732, 544583, 1089166, 2178332, 7079579, 14159158, 28318316]

約数ペア:

[(1, 28318316), (2, 14159158), (4, 7079579), (13, 2178332), (26, 1089166), (52, 544583), (163, 173732), (169, 167564), (257, 110188), (326, 86866), (338, 83782), (514, 55094), (652, 43433), (676, 41891), (1028, 27547), (2119, 13364), (3341, 8476), (4238, 6682)]