644961324

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{863}}^1$

素因数の和:956

約数の個数: 144

約数和(自身を含む): 1853300736

約数和(自身を除く): 1208339412

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 41, 42, 49, 62, 82, 84, 93, 98, 123, 124, 147, 164, 186, 196, 217, 246, 287, 294, 372, 434, 492, 574, 588, 651, 861, 863, 868, 1148, 1271, 1302, 1519, 1722, 1726, 2009, 2542, 2589, 2604, 3038, 3444, 3452, 3813, 4018, 4557, 5084, 5178, 6027, 6041, 6076, 7626, 8036, 8897, 9114, 10356, 12054, 12082, 15252, 17794, 18123, 18228, 24108, 24164, 26691, 26753, 35383, 35588, 36246, 42287, 53382, 53506, 62279, 70766, 72492, 80259, 84574, 106149, 106764, 107012, 124558, 126861, 141532, 160518, 169148, 186837, 187271, 212298, 247681, 249116, 253722, 321036, 373674, 374542, 424596, 495362, 507444, 561813, 743043, 747348, 749084, 990724, 1096873, 1123626, 1310897, 1486086, 1733767, 2193746, 2247252, 2621794, 2972172, 3290619, 3467534, 3932691, 4387492, 5201301, 5243588, 6581238, 6935068, 7678111, 7865382, 10402602, 13162476, 15356222, 15730764, 20805204, 23034333, 30712444, 46068666, 53746777, 92137332, 107493554, 161240331, 214987108, 322480662, 644961324]

約数ペア:

[(1, 644961324), (2, 322480662), (3, 214987108), (4, 161240331), (6, 107493554), (7, 92137332), (12, 53746777), (14, 46068666), (21, 30712444), (28, 23034333), (31, 20805204), (41, 15730764), (42, 15356222), (49, 13162476), (62, 10402602), (82, 7865382), (84, 7678111), (93, 6935068), (98, 6581238), (123, 5243588), (124, 5201301), (147, 4387492), (164, 3932691), (186, 3467534), (196, 3290619), (217, 2972172), (246, 2621794), (287, 2247252), (294, 2193746), (372, 1733767), (434, 1486086), (492, 1310897), (574, 1123626), (588, 1096873), (651, 990724), (861, 749084), (863, 747348), (868, 743043), (1148, 561813), (1271, 507444), (1302, 495362), (1519, 424596), (1722, 374542), (1726, 373674), (2009, 321036), (2542, 253722), (2589, 249116), (2604, 247681), (3038, 212298), (3444, 187271), (3452, 186837), (3813, 169148), (4018, 160518), (4557, 141532), (5084, 126861), (5178, 124558), (6027, 107012), (6041, 106764), (6076, 106149), (7626, 84574), (8036, 80259), (8897, 72492), (9114, 70766), (10356, 62279), (12054, 53506), (12082, 53382), (15252, 42287), (17794, 36246), (18123, 35588), (18228, 35383), (24108, 26753), (24164, 26691)]