1917789146

素因数分解:

$2^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1065

約数の個数: 80

約数和(自身を含む): 3734427648

約数和(自身を除く): 1816638502

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 182, 217, 343, 403, 434, 637, 686, 806, 991, 1274, 1519, 1982, 2401, 2821, 3038, 4459, 4802, 5642, 6937, 8918, 10633, 12883, 13874, 19747, 21266, 25766, 30721, 31213, 39494, 48559, 61442, 62426, 74431, 90181, 97118, 138229, 148862, 180362, 215047, 276458, 339913, 399373, 430094, 631267, 679826, 798746, 967603, 1262534, 1505329, 1935206, 2379391, 2795611, 3010658, 4418869, 4758782, 5591222, 8837738, 10537303, 19569277, 21074606, 30932083, 39138554, 61864166, 73761121, 136984939, 147522242, 273969878, 958894573, 1917789146]

約数ペア:

[(1, 1917789146), (2, 958894573), (7, 273969878), (13, 147522242), (14, 136984939), (26, 73761121), (31, 61864166), (49, 39138554), (62, 30932083), (91, 21074606), (98, 19569277), (182, 10537303), (217, 8837738), (343, 5591222), (403, 4758782), (434, 4418869), (637, 3010658), (686, 2795611), (806, 2379391), (991, 1935206), (1274, 1505329), (1519, 1262534), (1982, 967603), (2401, 798746), (2821, 679826), (3038, 631267), (4459, 430094), (4802, 399373), (5642, 339913), (6937, 276458), (8918, 215047), (10633, 180362), (12883, 148862), (13874, 138229), (19747, 97118), (21266, 90181), (25766, 74431), (30721, 62426), (31213, 61442), (39494, 48559)]