289980964

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1823}}^1$

素因数の和:1889

約数の個数: 96

約数和(自身を含む): 686407680

約数和(自身を除く): 396426716

約数列:

[1, 2, 4, 7, 13, 14, 19, 23, 26, 28, 38, 46, 52, 76, 91, 92, 133, 161, 182, 247, 266, 299, 322, 364, 437, 494, 532, 598, 644, 874, 988, 1196, 1729, 1748, 1823, 2093, 3059, 3458, 3646, 4186, 5681, 6118, 6916, 7292, 8372, 11362, 12236, 12761, 22724, 23699, 25522, 34637, 39767, 41929, 47398, 51044, 69274, 79534, 83858, 94796, 138548, 159068, 165893, 167716, 242459, 293503, 331786, 450281, 484918, 545077, 587006, 663572, 796651, 900562, 969836, 1090154, 1174012, 1593302, 1801124, 2180308, 3151967, 3186604, 3815539, 5576557, 6303934, 7631078, 10356463, 11153114, 12607868, 15262156, 20712926, 22306228, 41425852, 72495241, 144990482, 289980964]

約数ペア:

[(1, 289980964), (2, 144990482), (4, 72495241), (7, 41425852), (13, 22306228), (14, 20712926), (19, 15262156), (23, 12607868), (26, 11153114), (28, 10356463), (38, 7631078), (46, 6303934), (52, 5576557), (76, 3815539), (91, 3186604), (92, 3151967), (133, 2180308), (161, 1801124), (182, 1593302), (247, 1174012), (266, 1090154), (299, 969836), (322, 900562), (364, 796651), (437, 663572), (494, 587006), (532, 545077), (598, 484918), (644, 450281), (874, 331786), (988, 293503), (1196, 242459), (1729, 167716), (1748, 165893), (1823, 159068), (2093, 138548), (3059, 94796), (3458, 83858), (3646, 79534), (4186, 69274), (5681, 51044), (6118, 47398), (6916, 41929), (7292, 39767), (8372, 34637), (11362, 25522), (12236, 23699), (12761, 22724)]