81774316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 160806240

約数和(自身を除く): 79031924

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 211, 257, 377, 422, 514, 754, 844, 1028, 1508, 2743, 3341, 5486, 6119, 6682, 7453, 10972, 12238, 13364, 14906, 24476, 29812, 54227, 79547, 96889, 108454, 159094, 193778, 216908, 318188, 387556, 704951, 1409902, 1572583, 2819804, 3145166, 6290332, 20443579, 40887158, 81774316]

約数ペア:

[(1, 81774316), (2, 40887158), (4, 20443579), (13, 6290332), (26, 3145166), (29, 2819804), (52, 1572583), (58, 1409902), (116, 704951), (211, 387556), (257, 318188), (377, 216908), (422, 193778), (514, 159094), (754, 108454), (844, 96889), (1028, 79547), (1508, 54227), (2743, 29812), (3341, 24476), (5486, 14906), (6119, 13364), (6682, 12238), (7453, 10972)]