217904596

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{271}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 481300736

約数和(自身を除く): 263396140

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 52, 91, 94, 182, 188, 271, 329, 364, 542, 611, 658, 1084, 1222, 1316, 1897, 2209, 2444, 3523, 3794, 4277, 4418, 7046, 7588, 8554, 8836, 12737, 14092, 15463, 17108, 24661, 25474, 28717, 30926, 49322, 50948, 57434, 61852, 89159, 98644, 114868, 165581, 178318, 201019, 331162, 356636, 402038, 598639, 662324, 804076, 1159067, 1197278, 2318134, 2394556, 4190473, 4636268, 7782307, 8380946, 15564614, 16761892, 31129228, 54476149, 108952298, 217904596]

約数ペア:

[(1, 217904596), (2, 108952298), (4, 54476149), (7, 31129228), (13, 16761892), (14, 15564614), (26, 8380946), (28, 7782307), (47, 4636268), (52, 4190473), (91, 2394556), (94, 2318134), (182, 1197278), (188, 1159067), (271, 804076), (329, 662324), (364, 598639), (542, 402038), (611, 356636), (658, 331162), (1084, 201019), (1222, 178318), (1316, 165581), (1897, 114868), (2209, 98644), (2444, 89159), (3523, 61852), (3794, 57434), (4277, 50948), (4418, 49322), (7046, 30926), (7588, 28717), (8554, 25474), (8836, 24661), (12737, 17108), (14092, 15463)]