51491748

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 160876800

約数和(自身を除く): 109385052

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 19, 21, 22, 28, 33, 38, 42, 44, 49, 57, 66, 76, 77, 84, 98, 114, 132, 133, 147, 154, 196, 209, 228, 231, 266, 294, 308, 399, 418, 419, 462, 532, 539, 588, 627, 798, 836, 838, 924, 931, 1078, 1254, 1257, 1463, 1596, 1617, 1676, 1862, 2156, 2508, 2514, 2793, 2926, 2933, 3234, 3724, 4389, 4609, 5028, 5586, 5852, 5866, 6468, 7961, 8778, 8799, 9218, 10241, 11172, 11732, 13827, 15922, 17556, 17598, 18436, 20482, 20531, 23883, 27654, 30723, 31844, 32263, 35196, 40964, 41062, 47766, 55308, 55727, 61446, 61593, 64526, 82124, 87571, 95532, 96789, 111454, 122892, 123186, 129052, 167181, 175142, 193578, 222908, 225841, 246372, 262713, 334362, 350284, 387156, 390089, 451682, 525426, 612997, 668724, 677523, 780178, 903364, 1050852, 1170267, 1225994, 1355046, 1560356, 1838991, 2340534, 2451988, 2710092, 3677982, 4290979, 4681068, 7355964, 8581958, 12872937, 17163916, 25745874, 51491748]

約数ペア:

[(1, 51491748), (2, 25745874), (3, 17163916), (4, 12872937), (6, 8581958), (7, 7355964), (11, 4681068), (12, 4290979), (14, 3677982), (19, 2710092), (21, 2451988), (22, 2340534), (28, 1838991), (33, 1560356), (38, 1355046), (42, 1225994), (44, 1170267), (49, 1050852), (57, 903364), (66, 780178), (76, 677523), (77, 668724), (84, 612997), (98, 525426), (114, 451682), (132, 390089), (133, 387156), (147, 350284), (154, 334362), (196, 262713), (209, 246372), (228, 225841), (231, 222908), (266, 193578), (294, 175142), (308, 167181), (399, 129052), (418, 123186), (419, 122892), (462, 111454), (532, 96789), (539, 95532), (588, 87571), (627, 82124), (798, 64526), (836, 61593), (838, 61446), (924, 55727), (931, 55308), (1078, 47766), (1254, 41062), (1257, 40964), (1463, 35196), (1596, 32263), (1617, 31844), (1676, 30723), (1862, 27654), (2156, 23883), (2508, 20531), (2514, 20482), (2793, 18436), (2926, 17598), (2933, 17556), (3234, 15922), (3724, 13827), (4389, 11732), (4609, 11172), (5028, 10241), (5586, 9218), (5852, 8799), (5866, 8778), (6468, 7961)]