287942004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{21559}}^1$

素因数の和:21629

約数の個数: 72

約数和(自身を含む): 847566720

約数和(自身を除く): 559624716

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1484, 1908, 2226, 3339, 4452, 6678, 13356, 21559, 43118, 64677, 86236, 129354, 150913, 194031, 258708, 301826, 388062, 452739, 603652, 776124, 905478, 1142627, 1358217, 1810956, 2285254, 2716434, 3427881, 4570508, 5432868, 6855762, 7998389, 10283643, 13711524, 15996778, 20567286, 23995167, 31993556, 41134572, 47990334, 71985501, 95980668, 143971002, 287942004]

約数ペア:

[(1, 287942004), (2, 143971002), (3, 95980668), (4, 71985501), (6, 47990334), (7, 41134572), (9, 31993556), (12, 23995167), (14, 20567286), (18, 15996778), (21, 13711524), (28, 10283643), (36, 7998389), (42, 6855762), (53, 5432868), (63, 4570508), (84, 3427881), (106, 2716434), (126, 2285254), (159, 1810956), (212, 1358217), (252, 1142627), (318, 905478), (371, 776124), (477, 603652), (636, 452739), (742, 388062), (954, 301826), (1113, 258708), (1484, 194031), (1908, 150913), (2226, 129354), (3339, 86236), (4452, 64677), (6678, 43118), (13356, 21559)]