128367652

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 277525248

約数和(自身を除く): 149157596

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 49, 62, 74, 98, 124, 148, 196, 217, 259, 434, 518, 571, 868, 1036, 1142, 1147, 1519, 1813, 2284, 2294, 3038, 3626, 3997, 4588, 6076, 7252, 7994, 8029, 15988, 16058, 17701, 21127, 27979, 32116, 35402, 42254, 55958, 56203, 70804, 84508, 111916, 112406, 123907, 147889, 224812, 247814, 295778, 495628, 591556, 654937, 867349, 1035223, 1309874, 1734698, 2070446, 2619748, 3469396, 4140892, 4584559, 9169118, 18338236, 32091913, 64183826, 128367652]

約数ペア:

[(1, 128367652), (2, 64183826), (4, 32091913), (7, 18338236), (14, 9169118), (28, 4584559), (31, 4140892), (37, 3469396), (49, 2619748), (62, 2070446), (74, 1734698), (98, 1309874), (124, 1035223), (148, 867349), (196, 654937), (217, 591556), (259, 495628), (434, 295778), (518, 247814), (571, 224812), (868, 147889), (1036, 123907), (1142, 112406), (1147, 111916), (1519, 84508), (1813, 70804), (2284, 56203), (2294, 55958), (3038, 42254), (3626, 35402), (3997, 32116), (4588, 27979), (6076, 21127), (7252, 17701), (7994, 16058), (8029, 15988)]