287753284

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3643}}^1$

素因数の和:3705

約数の個数: 72

約数和(自身を含む): 651372288

約数和(自身を除く): 363619004

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 637, 806, 868, 1274, 1519, 1612, 2548, 2821, 3038, 3643, 5642, 6076, 7286, 11284, 14572, 19747, 25501, 39494, 47359, 51002, 78988, 94718, 102004, 112933, 178507, 189436, 225866, 331513, 357014, 451732, 663026, 714028, 790531, 1326052, 1468129, 1581062, 2320591, 2936258, 3162124, 4641182, 5533717, 5872516, 9282364, 10276903, 11067434, 20553806, 22134868, 41107612, 71938321, 143876642, 287753284]

約数ペア:

[(1, 287753284), (2, 143876642), (4, 71938321), (7, 41107612), (13, 22134868), (14, 20553806), (26, 11067434), (28, 10276903), (31, 9282364), (49, 5872516), (52, 5533717), (62, 4641182), (91, 3162124), (98, 2936258), (124, 2320591), (182, 1581062), (196, 1468129), (217, 1326052), (364, 790531), (403, 714028), (434, 663026), (637, 451732), (806, 357014), (868, 331513), (1274, 225866), (1519, 189436), (1612, 178507), (2548, 112933), (2821, 102004), (3038, 94718), (3643, 78988), (5642, 51002), (6076, 47359), (7286, 39494), (11284, 25501), (14572, 19747)]