199641778

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 397872000

約数和(自身を除く): 198230222

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 49, 53, 98, 106, 119, 133, 238, 266, 289, 323, 343, 371, 578, 646, 686, 742, 833, 901, 931, 1007, 1666, 1802, 1862, 2014, 2023, 2261, 2597, 4046, 4522, 5194, 5491, 5831, 6307, 6517, 7049, 10982, 11662, 12614, 13034, 14098, 14161, 15317, 15827, 17119, 18179, 28322, 30634, 31654, 34238, 36358, 38437, 44149, 49343, 76874, 88298, 98686, 99127, 107219, 110789, 119833, 198254, 214438, 221578, 239666, 269059, 291023, 309043, 345401, 538118, 582046, 618086, 690802, 750533, 838831, 1501066, 1677662, 1883413, 2037161, 3766826, 4074322, 5253731, 5871817, 10507462, 11743634, 14260127, 28520254, 99820889, 199641778]

約数ペア:

[(1, 199641778), (2, 99820889), (7, 28520254), (14, 14260127), (17, 11743634), (19, 10507462), (34, 5871817), (38, 5253731), (49, 4074322), (53, 3766826), (98, 2037161), (106, 1883413), (119, 1677662), (133, 1501066), (238, 838831), (266, 750533), (289, 690802), (323, 618086), (343, 582046), (371, 538118), (578, 345401), (646, 309043), (686, 291023), (742, 269059), (833, 239666), (901, 221578), (931, 214438), (1007, 198254), (1666, 119833), (1802, 110789), (1862, 107219), (2014, 99127), (2023, 98686), (2261, 88298), (2597, 76874), (4046, 49343), (4522, 44149), (5194, 38437), (5491, 36358), (5831, 34238), (6307, 31654), (6517, 30634), (7049, 28322), (10982, 18179), (11662, 17119), (12614, 15827), (13034, 15317), (14098, 14161)]