138372468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 108

約数和(自身を含む): 366345504

約数和(自身を除く): 227973036

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 71, 78, 93, 124, 142, 156, 169, 186, 213, 284, 338, 372, 403, 426, 507, 676, 806, 852, 923, 961, 1014, 1209, 1612, 1846, 1922, 2028, 2201, 2418, 2769, 2883, 3692, 3844, 4402, 4836, 5239, 5538, 5766, 6603, 8804, 10478, 11076, 11532, 11999, 12493, 13206, 15717, 20956, 23998, 24986, 26412, 28613, 31434, 35997, 37479, 47996, 49972, 57226, 62868, 68231, 71994, 74958, 85839, 114452, 136462, 143988, 149916, 162409, 171678, 204693, 272924, 324818, 343356, 371969, 409386, 487227, 649636, 743938, 818772, 887003, 974454, 1115907, 1487876, 1774006, 1948908, 2231814, 2661009, 3548012, 4463628, 5322018, 10644036, 11531039, 23062078, 34593117, 46124156, 69186234, 138372468]

約数ペア:

[(1, 138372468), (2, 69186234), (3, 46124156), (4, 34593117), (6, 23062078), (12, 11531039), (13, 10644036), (26, 5322018), (31, 4463628), (39, 3548012), (52, 2661009), (62, 2231814), (71, 1948908), (78, 1774006), (93, 1487876), (124, 1115907), (142, 974454), (156, 887003), (169, 818772), (186, 743938), (213, 649636), (284, 487227), (338, 409386), (372, 371969), (403, 343356), (426, 324818), (507, 272924), (676, 204693), (806, 171678), (852, 162409), (923, 149916), (961, 143988), (1014, 136462), (1209, 114452), (1612, 85839), (1846, 74958), (1922, 71994), (2028, 68231), (2201, 62868), (2418, 57226), (2769, 49972), (2883, 47996), (3692, 37479), (3844, 35997), (4402, 31434), (4836, 28613), (5239, 26412), (5538, 24986), (5766, 23998), (6603, 20956), (8804, 15717), (10478, 13206), (11076, 12493), (11532, 11999)]