209464892

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1051

約数の個数: 96

約数和(自身を含む): 490721280

約数和(自身を除く): 281256388

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 52, 62, 76, 91, 124, 133, 182, 217, 247, 266, 364, 403, 434, 494, 532, 589, 806, 868, 977, 988, 1178, 1612, 1729, 1954, 2356, 2821, 3458, 3908, 4123, 5642, 6839, 6916, 7657, 8246, 11284, 12701, 13678, 15314, 16492, 18563, 25402, 27356, 30287, 30628, 37126, 50804, 53599, 60574, 74252, 88907, 107198, 121148, 129941, 177814, 212009, 214396, 241319, 259882, 355628, 393731, 424018, 482638, 519764, 575453, 787462, 848036, 965276, 1150906, 1574924, 1689233, 2301812, 2756117, 3378466, 4028171, 5512234, 6756932, 7480889, 8056342, 11024468, 14961778, 16112684, 29923556, 52366223, 104732446, 209464892]

約数ペア:

[(1, 209464892), (2, 104732446), (4, 52366223), (7, 29923556), (13, 16112684), (14, 14961778), (19, 11024468), (26, 8056342), (28, 7480889), (31, 6756932), (38, 5512234), (52, 4028171), (62, 3378466), (76, 2756117), (91, 2301812), (124, 1689233), (133, 1574924), (182, 1150906), (217, 965276), (247, 848036), (266, 787462), (364, 575453), (403, 519764), (434, 482638), (494, 424018), (532, 393731), (589, 355628), (806, 259882), (868, 241319), (977, 214396), (988, 212009), (1178, 177814), (1612, 129941), (1729, 121148), (1954, 107198), (2356, 88907), (2821, 74252), (3458, 60574), (3908, 53599), (4123, 50804), (5642, 37126), (6839, 30628), (6916, 30287), (7657, 27356), (8246, 25402), (11284, 18563), (12701, 16492), (13678, 15314)]