1213694768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{27919}}^1$

素因数の和:27970

約数の個数: 80

約数和(自身を含む): 2908147200

約数和(自身を除く): 1694452432

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 418, 494, 572, 836, 988, 1144, 1672, 1976, 2288, 2717, 3344, 3952, 5434, 10868, 21736, 27919, 43472, 55838, 111676, 223352, 307109, 362947, 446704, 530461, 614218, 725894, 1060922, 1228436, 1451788, 2121844, 2456872, 2903576, 3992417, 4243688, 4913744, 5807152, 5835071, 6895993, 7984834, 8487376, 11670142, 13791986, 15969668, 23340284, 27583972, 31939336, 46680568, 55167944, 63878672, 75855923, 93361136, 110335888, 151711846, 303423692, 606847384, 1213694768]

約数ペア:

[(1, 1213694768), (2, 606847384), (4, 303423692), (8, 151711846), (11, 110335888), (13, 93361136), (16, 75855923), (19, 63878672), (22, 55167944), (26, 46680568), (38, 31939336), (44, 27583972), (52, 23340284), (76, 15969668), (88, 13791986), (104, 11670142), (143, 8487376), (152, 7984834), (176, 6895993), (208, 5835071), (209, 5807152), (247, 4913744), (286, 4243688), (304, 3992417), (418, 2903576), (494, 2456872), (572, 2121844), (836, 1451788), (988, 1228436), (1144, 1060922), (1672, 725894), (1976, 614218), (2288, 530461), (2717, 446704), (3344, 362947), (3952, 307109), (5434, 223352), (10868, 111676), (21736, 55838), (27919, 43472)]