72905924

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 108

約数和(自身を含む): 168231168

約数和(自身を除く): 95325244

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 71, 91, 98, 124, 142, 169, 182, 196, 217, 284, 338, 364, 403, 434, 497, 637, 676, 806, 868, 923, 994, 1183, 1274, 1519, 1612, 1846, 1988, 2201, 2366, 2548, 2821, 3038, 3479, 3692, 4402, 4732, 5239, 5642, 6076, 6461, 6958, 8281, 8804, 10478, 11284, 11999, 12922, 13916, 15407, 16562, 19747, 20956, 23998, 25844, 28613, 30814, 33124, 36673, 39494, 45227, 47996, 57226, 61628, 73346, 78988, 83993, 90454, 107849, 114452, 146692, 167986, 180908, 200291, 215698, 256711, 335972, 371969, 400582, 431396, 513422, 587951, 743938, 801164, 1026844, 1175902, 1402037, 1487876, 2351804, 2603783, 2804074, 5207566, 5608148, 10415132, 18226481, 36452962, 72905924]

約数ペア:

[(1, 72905924), (2, 36452962), (4, 18226481), (7, 10415132), (13, 5608148), (14, 5207566), (26, 2804074), (28, 2603783), (31, 2351804), (49, 1487876), (52, 1402037), (62, 1175902), (71, 1026844), (91, 801164), (98, 743938), (124, 587951), (142, 513422), (169, 431396), (182, 400582), (196, 371969), (217, 335972), (284, 256711), (338, 215698), (364, 200291), (403, 180908), (434, 167986), (497, 146692), (637, 114452), (676, 107849), (806, 90454), (868, 83993), (923, 78988), (994, 73346), (1183, 61628), (1274, 57226), (1519, 47996), (1612, 45227), (1846, 39494), (1988, 36673), (2201, 33124), (2366, 30814), (2548, 28613), (2821, 25844), (3038, 23998), (3479, 20956), (3692, 19747), (4402, 16562), (4732, 15407), (5239, 13916), (5642, 12922), (6076, 11999), (6461, 11284), (6958, 10478), (8281, 8804)]